zillur

वलोबेशे टौमी केनो--nasir

noreply@blogger.com (zillur) — Sun, 13 Jul 2008 06:33:00 +0000

The normal eye

noreply@blogger.com (zillur) — Wed, 09 Jul 2008 13:30:00 +0000

The normal eye :
- Anterior length 24 mm
-Volume 6.5cc
-Weight 7 gm
- IOP 7-21 mm of Hg
- Circumference 75 mm
- Blinking rate 18 times/minute
-Visual acuity distance 6/6, near N5
- At birth refractive error +2 -- +3 DS
- Total power of the eye
- Dioptic power of the cornea +43 DS
- Diameter 11- 12 mm
- Pupil size 2.5 – 3.0 mm

Common abbreviation used in ophthalmology and optometry--01

noreply@blogger.com (zillur) — Wed, 09 Jul 2008 13:22:00 +0000

Vision and refraction :
NPA—Near Point of Accommodation
NPC—Near Point of Convergence
D--Diopter
AL--Axial Length
LVA --Low Vision Aid
Sph--Spherical
Cyl--Cylindrical
AR--Anti-Reflecting
PAL—Progressive Addition Lens
IPD—Inter Pupillary Distance
FR—Far Point
VR—Vertex Distance
RE—Refractive Error
VA—Visual Acuity
BSB—Binocular Single Vision
PL—Perception of Light
PR—Projection of Rays
CF—Counting Finger
NPL—No Perception of Light
HM—Hand Movement
OD—Oculus Dexter ( right eye)
OS—Oculus Sinister ( left eye)
OU—Oculi Uterique ( both eye)
cc—cum correctore ( with correctors)
sc—sine correctore ( without correctors)
VR—Vertex Distance
SHA—Simple Hyperopic Astigmatism
CHA—Compound Hyperopic Astigmatism
Mix-A—Mixed Astigmatism
S—Sphere
C—Cylinder
X—Axis
VEP—Visual Evoked Potential
WD—Working Distance
CSF—Contrast sensitivity Function
SMA—Simple Myopic Astigmatism
CMA—Compound Myopic Astigmatism
PH—Pin Hole
P—Pupil

amar ekta sathi chio-- s d rubel

noreply@blogger.com (zillur) — Tue, 08 Jul 2008 09:35:00 +0000

zillur: picture of eye anatomy

noreply@blogger.com (zillur) — Tue, 08 Jul 2008 09:33:00 +0000

zillur: picture of eye anatomy

picture of bangladesh

noreply@blogger.com (zillur) — Tue, 08 Jul 2008 09:30:00 +0000

cartoon of war

noreply@blogger.com (zillur) — Tue, 08 Jul 2008 09:27:00 +0000

picture of eye anatomy

noreply@blogger.com (zillur) — Tue, 08 Jul 2008 09:25:00 +0000

picture of human anatomy

noreply@blogger.com (zillur) — Tue, 08 Jul 2008 09:20:00 +0000

Work toghether

noreply@blogger.com (zillur) — Tue, 08 Jul 2008 09:07:00 +0000

we, all the people fo world we can live together. we can earn together. we should help the poor people. we have to work for his/her who has no any property to live. really we are created by the creator for helping mankind. so, work for mankind.

Cyberterrorism by Anonraider

noreply@blogger.com (zillur) — Mon, 07 Jul 2008 08:24:00 +0000

In light of the recent focus the United States has placed on security, consider these scenarios * At an international airport, a terrorist uses a modem in his notebook to hack in the wireless LAN of an airlines curbside check-in Service, providing clearance for himself and 10 other conspirators to board flight to the united states under assumed names * A group of servers uses the internet to launch attacks against the computers of dozens of broadcasting companies, exploiting a newly discovered vulnerbilityto gain entrance. The attack scrambles the incoming satellite feed and shuts down the stations' transmissions. Televesion viewers across the country find their services discrupted * A terrorist hacks into the computer networks of hospitals around the country, exploiting security holes to gain access. Once inside these computer systems, the terrorist alters the medical directives for the patients, instructing the systems, which automatically dispense medications, to feed deadly drug combinations into these patients veins. * Hundredes of thousands of servers around the world send a coodinated flood of data packets over the internet to the main routers that handle traffic. This data overload temporarily cripples much of the internet's data flow, including email and voice transmissions. Dozens of telephone networks, which have begun routing some of their calls over the internet, experience connection failures. Only a few years ago, these possible events would only have been scenes from a movie. Today, security experts warn that the possibility exists. Following 09/11 the FBI's NIPC ( national infrastructure protection center ) and the SANS ( system Administration, networking and security ) institute a colation of 156,000 security and technical professionals, released the top 20 security vulnerbilities that crackers could use to damage both the internet and companies it connects. The list is available at http://www.sans.org/top20.htm. Along with the list came a sobering message: THE INTERNET IS AT RISK. "the internet is simply not ready because of these vulnerbilities. We're not ready to withstand a major Attack" , states ALLAN PALLER, the SANS institute director, at at press briefing helf for the release of the FBI/SANS top 20.

How to become a master hacker

noreply@blogger.com (zillur) — Mon, 07 Jul 2008 08:22:00 +0000

This is a paper will be broken into two parts, one showing 15 easy steps
to becoming a uebercracker and the next part showing how to become a
ueberadmin and how to stop a uebercracker. A uebercracker is a term phrased
by Dan Farmer to refer to some elite (cr/h)acker that is practically
impossible to keep out of the networks.

Here's the steps to becoming a uebercracker.

Step 1. Relax and remain calm. Remember YOU are a Uebercracker.

Step 2. If you know a little Unix, you are way ahead of the crowd and skip
past step 3.

Step 3. You may want to buy Unix manual or book to let you know what
ls,cd,cat does.

Step 4. Read Usenet for the following groups: alt.irc, alt.security,
comp.security.unix. Subscribe to Phrack@well.sf.ca.us to get a background
in uebercracker culture.

Step 5. Ask on alt.irc how to get and compile the latest IRC client and
connect to IRC.

Step 6. Once on IRC, join the #hack channel. (Whew, you are half-way
there!)

Step 7. Now, sit on #hack and send messages to everyone in the channel
saying "Hi, Whats up?". Be obnoxious to anyone else that joins and asks
questions like "Why cant I join #warez?"

Step 8. (Important Step) Send private messages to everyone asking for new
bugs or holes. Here's a good pointer, look around your system for binary
programs suid root (look in Unix manual from step 3 if confused). After
finding a suid root binary, (ie. su, chfn, syslog), tell people you have a
new bug in that program and you wrote a script for it. If they ask how it
works, tell them they are "layme". Remember, YOU are a UeberCracker. Ask
them to trade for their get-root scripts.

Step 9. Make them send you some scripts before you send some garbage file
(ie. a big core file). Tell them it is encrypted or it was messed up and
you need to upload your script again.

Step 10. Spend a week grabbing all the scripts you can. (Dont forget to be
obnoxious on #hack otherwise people will look down on you and not give you
anything.)

Step 11. Hopefully you will now have atleast one or two scripts that get
you root on most Unixes. Grab root on your local machines, read your
admin's mail, or even other user's mail, even rm log files and whatever
temps you. (look in Unix manual from step 3 if confused).

Step 12. A good test for true uebercrackerness is to be able to fake mail.
Ask other uebercrackers how to fake mail (because they have had to pass the
same test). Email your admin how "layme" he is and how you got root and how
you erased his files, and have it appear coming from satan@evil.com.

Step 13. Now, to pass into supreme eliteness of uebercrackerness, you brag
about your exploits on #hack to everyone. (Make up stuff, Remember, YOU are
a uebercracker.)

Step 14. Wait a few months and have all your notes, etc ready in your room
for when the FBI, Secret Service, and other law enforcement agencies
confinscate your equipment. Call eff.org to complain how you were innocent
and how you accidently gotten someone else's account and only looked
because you were curious. (Whatever else that may help, throw at them.)

Step 15. Now for the true final supreme eliteness of all uebercrackers, you
go back to #hack and brag about how you were busted. YOU are finally a
true Uebercracker.

Now the next part of the paper is top secret. Please only pass to trusted
administrators and friends and even some trusted mailing lists, Usenet
groups, etc. (Make sure no one who is NOT in the inner circle of security
gets this.)

This is broken down on How to Become an UeberAdmin (otherwise know as a
security expert) and How to stop Uebercrackers.

Step 1. Read Unix manual ( a good idea for admins ).

Step 2. Very Important. chmod 700 rdist; chmod 644 /etc/utmp. Install
sendmail 8.6.4. You have probably stopped 60 percent of all Uebercrackers
now. Rdist scripts is among the favorites for getting root by
uebercrackers.

Step 3. Okay, maybe you want to actually secure your machine from the
elite Uebercrackers who can break into any site on Internet.

Step 4. Set up your firewall to block rpc/nfs/ip-forwarding/src routing
packets. (This only applies to advanced admins who have control of the
router, but this will stop 90% of all uebercrackers from attempting your
site.)

Step 5. Apply all CERT and vendor patches to all of your machines. You have
just now killed 95% of all uebercrackers.

Step 6. Run a good password cracker to find open accounts and close them.
Run tripwire after making sure your binaries are untouched. Run tcp_wrapper
to find if a uebercracker is knocking on your machines. Run ISS to make
sure that all your machines are reasonably secure as far as remote
configuration (ie. your NFS exports and anon FTP site.)

Step 7. If you have done all of the following, you will have stopped 99%
of all uebercrackers. Congrads! (Remember, You are the admin.)

Step 8. Now there is one percent of uebercrackers that have gained
knowledge from reading some security expert's mail (probably gained access
to his mail via NFS exports or the guest account. You know how it is, like
the mechanic that always has a broken car, or the plumber that has the
broken sink, the security expert usually has an open machine.)

Step 9. Here is the hard part is to try to convince these security experts
that they are not so above the average citizen and that by now giving out
their unknown (except for the uebercrackers) security bugs, it would be a
service to Internet. They do not have to post it on Usenet, but share
among many other trusted people and hopefully fixes will come about and
new pressure will be applied to vendors to come out with patches.

Step 10. If you have gained the confidence of enough security experts,
you will know be a looked upto as an elite security administrator that is
able to stop most uebercrackers. The final true test for being a ueberadmin
is to compile a IRC client, go onto #hack and log all the bragging and
help catch the uebercrackers. If a uebercracker does get into your system,
and he has used a new method you have never seen, you can probably tell
your other security admins and get half of the replies like - "That bug
been known for years, there just isn't any patches for it yet. Here's my
fix." and the other half of the replies will be like - "Wow. That is very
impressive. You have just moved up a big notch in my security circle."
VERY IMPORTANT HERE: If you see anyone in Usenet's security newsgroups
mention anything about that security hole, Flame him for discussing it
since it could bring down Internet and all Uebercrackers will now have it
and the million other reasons to keep everything secret about security.

Well, this paper has shown the finer details of security on Internet. It has
shown both sides of the coin. Three points I would like to make that would
probably clean up most of the security problems on Internet are as the
following:

1. Vendors need to make security a little higher than zero in priority.
If most vendors shipped their Unixes already secure with most known bugs
that have been floating around since the Internet Worm (6 years ago) fixed
and patched, then most uebercrackers would be stuck as new machines get
added to Internet. (I believe Uebercracker is german for "lame copy-cat
that can get root with 3 year old bugs.") An interesting note is that
if you probably check the mail alias for "security@vendor.com", you will
find it points to /dev/null. Maybe with enough mail, it will overfill
/dev/null. (Look in manual if confused.)

2. Security experts giving up the attitude that they are above the normal
Internet user and try to give out information that could lead to pressure
by other admins to vendors to come out with fixes and patches. Most
security experts probably don't realize how far their information has
already spread.

3. And probably one of the more important points is just following the
steps I have outlined for Stopping a Uebercracker.

How to hack win XP password without changing password

noreply@blogger.com (zillur) — Mon, 07 Jul 2008 08:16:00 +0000

How to hack win XP password without changing password

noreply@blogger.com (zillur) — Mon, 07 Jul 2008 08:11:00 +0000

TO THE SECRET ROSE

noreply@blogger.com (zillur) — Sat, 05 Jul 2008 11:10:00 +0000

This is my favaurite poem. I think it is good poetry by W.B Yeats. We can find a lot of happyness by reading this poem.really a poem means a good mind. all the best...zillur.

Far off, most secret, and inviolate Rose,
Enfold me in my hour of hours;
where thoseWho sought thee at the Holy Sepulchre,
Or in the wine-vat, dwell beyond the stir
And tumult of defeated dreams; and deep
Among pale eyelids heavy with the sleep
Men have named beauty. Your great leaves enfold
The ancient beards, the helms of ruby and gold
Of the crowned Magi; and the king whose eyes
Saw the Pierced Hands and Rood of Elder rise
In druid vapour and make the torches dim;
Till vain frenzy awoke and he died; and him
Who met Fand walking among flaming dew,
By a grey shore where the wind never blew,
And lost the world and Emir for a kiss;
And him who drove the gods out of their liss
And till a hundred morns had flowered redFeasted,
and wept the barrows of his dead;
And the proud dreaming king who flung the crown
And sorrow away, and calling bard and clown
Dwelt among wine-stained wanderers in deep woods;
And him who sold tillage and house and goods,
And sought through lands and islands numberless years
Until he found with laughter and with tears
A woman of so shining loveliness
That men threshed corn at midnight by a tress,
A little stolen tress. I too await
The hour of thy great wind of love and hate.
When shall the stars be blown about the sky,
Like the sparks blown out of a smithy, and die?
Surely thine hour has come, thy great wind blows,
Far off, most secret, and inviolate Rose?

plz comment about this poem.

Sex by Henry Stanton

noreply@blogger.com (zillur) — Sat, 05 Jul 2008 11:08:00 +0000

The happiness of all human beings, men and women, depends largely ontheir rational solution of the sexual problem. SEX and the part itplays in human life cannot be ignored. In the case of animals sexplays a simpler and less complex role. It is a purely natural andinstinctive function whose underlying purpose is the perpetuation ofthe species. It is not complicated by the many incidental phenomenawhich result, in man''s case, from psychologic, economic, moral andreligious causes. Climate, social conditions, individual modes of lifeand work, alcohol, wealth and poverty, and other factors affect sexualactivity in human beings. Sexual love, which is practically unknown to the animals, is a specialdevelopment of the sex urge in the human soul. The deeper purpose ofthe sex function in human beings, likewise, is procreation, thereproduction of species. The average man, woman and child should know the essential sex factsin order to be able to deal with the sex problems of life. Of lateyears there has been a greater diffusion of such knowledge. To a largeextent, however, children and adolescents are still taught to look onall that pertains to sex as something shameful and immodest, somethingnot to be discussed. Sex is an "Avoided Subject." This is fundamentally wrong. Sex affects the very root of all humanlife. Its activities are not obscene, but Nature''s own means tocertain legitimate ends. The sex functions, when properly controlledand led into the proper channels, are a most essential and legitimateform of physical self-expression. The veil of secrecy with which theyare so often shrouded tends to create an altogether false impressionregarding them. This discussion of these "Avoided Subjects," in "PlainEnglish," is intended to give the salient facts regarding sex in adirect, straightforward manner, bearing in mind the true purpose ofnormal sex activities. The more we know of the facts of sex, the right and normal part sexactivities play in life, and all that tends to abuse and degrade them,the better able we will be to make sex a factor for happiness in ourown lives and that of our descendants. Mankind, for its own generalgood, must desire that reproduction--the real purpose of every sexualfunction--occur in such a way as to perpetuate its own best physical
and mental qualities. THE LAW OF PHYSICAL LIFE It is a universal rule of physical life that every individual beingundergoes a development which we know as its individual life andwhich, so far as its physical substance is concerned, ends with death.Death is the destruction of the greater part of this individualorganism which, when death ensues, once more becomes lifeless matter.Only small portions of this matter, the germ cells, continue to liveunder certain conditions which nature has fixed. The germ cell--as has been established by the microscope--is the tinycell which in the lowest living organisms as well as in man himself,forms the unit of physical development. Yet even this tiny cell isalready a highly organized and perfected thing. It is composed of themost widely differing elements which, taken together, form theso-called protoplasm or cellular substance. And for all lifeestablished in nature the cell remains the constant and unchangingform element. It comprises the cell-protoplasm and a nucleus imbeddedin it whose substance is known as the nucleoplasm. The nucleus is themore important of the two and, so to say, governs the life of thecell-protoplasm. The lower one-celled organisms in nature increase by division, just asof living beings. And in all cases, though death or destruction of thecells is synonymous with the death or destruction of the livingorganism, the latter in most cases already has recreated itself byreproduction. We will not go into the very complicated details of the actual processof the growth and division of the protoplasmic cells. It is enough tosay that in the case of living creatures provided with morecomplicated organisms, such as the higher plants, animals and man, thelittle cell units divide and grow as they do in the case of the lowerorganisms. The fact is one which shows the intimate inner relationshipof all living beings.

LOVE'S LANGUAGE by Ella Wheeler Wilcox

noreply@blogger.com (zillur) — Sat, 05 Jul 2008 11:05:00 +0000

When silence flees before the voice of Love, Of what expression does that god approve? Is dulcet song or flowing verse his choice, Or stately prose, made regal by his voice? Speaks Love in couplets, or in epics grand?And is Love humble, or does he command? There is no language that Love does not speak: To-day commanding and to-morrow meek, One hour laconic and the next verbose, With hope triumphant and with doubt morose, His varying moods all forms of speech employ.To give expression to his painful joy, To voice the phases of his joyful pain, He rings the changes on the poet''s strain.
Yet not in epic, epigram or verse Can Love the passion of his heart rehearse.All speech, all language, is inadequate, There are no words with Love commensurate.

Selected Poem of Oscar Wilde

noreply@blogger.com (zillur) — Sat, 05 Jul 2008 04:29:00 +0000

In Reading gaol by Reading townThere is a pit of shame,

And in it lies a wretched manEaten by teeth of flame,

In a burning winding-sheet he lies,

And his grave has got no name

And there, till Christ call forth the dead,

In silence let him lie:

No need to waste the foolish tear,

Or heave the windy sigh:

The man had killed the thing he loved,

And so he had to die.

And all men kill the thing they love,

By all let this be heard,

Some do it with a bitter look,

Some with a flattering word,

The coward does it with a kiss,

The brave man with a sword!

common sign of eyelid

noreply@blogger.com (zillur) — Sat, 05 Jul 2008 04:21:00 +0000

For detecting some deseases of orbit and lids we have to know some signs of lids. it very helpful for eye practitioner , ophthalmologist and an optometrist. now i describe some common signs of lids .

1. Graefe''s sign : When the patient looks downward , the upper lids does not follow the movement of the globe is called graefe''s sign. It may be occur in ''Graves Orbitopathy ''( Thyroid deases)

2. Dalrymple''s sign : When the patient looks straight ahead, the retracted upper Lid bares part of the sclera ( this may be physiological in infants ). We find this sign in-- Parkinson''s deases Brane deases etc. ''Graves Orbitopathy ''( Thyroid deases)

3. Stellwag''s sign : decresed frequency of blinking. we can find it in-- ''Graves Orbitopathy ''( Thyroid deases) Parkinson''s deases

4. Mobius sign : poor convergence

5. Rosenbach''s sign : Tremor of the closed lid.

6.Gifford''s sign : It is difficult to evert upper lid.

7. Joffroy''s sign : The normal physiologic contraction of the frontalis muscle when looking upward is absent.

photophobia

noreply@blogger.com (zillur) — Sat, 05 Jul 2008 04:19:00 +0000

Photophobia : Photophobia is the most common symptom of ophthalmology. Photophobia means fears of light. It occurs when a lot amount of lights enter into the retina by optical media. Most of the patients say about photophobia .

Causes of photophobia :

1. Dilated pupil

2. Any inflammation of cojuntiva or cornea.

3. Iritis

4. Albinism

5. By using cycloplegic drugs ( e.g-- Homatrone 2% eye drop )

6. Optic neuritis7. Macular diseases

8. Retinal detachment ( RD)

9. Refractive error

10 . Coloboma of iris

11. Larger palpebral fissure etc.

Orbital cellulitis

noreply@blogger.com (zillur) — Sat, 05 Jul 2008 04:07:00 +0000

Difinition : The infection of soft cellular tissue of the orbit , behind the orbital septum is called orbital cellulitis.

Causes :

1. Sinus problem ( e.g. sinusitis )-- 58 to 60 per cent.

2. Lid or face infection , 28 to 30 per cent.

3. Foreign body , 11 to 15 per cent.

4. Haematogenous, 4 per cent.

5. Dental infection

6. Truma

7. Dacryocystisis

8. Dacryoadenitis

9. Endophthalmitis

Signs and symptoms :

-- unilateral

--tenderness

--warm sensation

--lid oedema

--protosis

--restrict ocular motility

--decreased vision

--dilated pupil

--rapd ( relative afferent pupillary defect )

--ophthalmoplegia

--severe pain

--raised IOP ( intra ocular pressure )

-- it may be purulent.Systemic symptoms malaise

--fever

--sometimes vomoting

--nauseaq-

-sinusitis ( mostly common )

Management :

-- hospitalization

-- antibiotic theraphy

--systemic antibiotic

--NSAID

--broad sprectrum antibiotic eye drop

-- surgical treatment.

Investigation :-

-WBC count

--Blood culture

--CT for brain.

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noreply@blogger.com (zillur) — Fri, 04 Jul 2008 13:24:00 +0000

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एअर्ण मनी बी click

noreply@blogger.com (zillur) — Wed, 02 Jul 2008 15:18:00 +0000

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Counselling in ophthalmic practice Article

noreply@blogger.com (zillur) — Wed, 02 Jul 2008 15:07:00 +0000

Counselling is one of the routine work for an eye care person. He/she must Counsell some topics highly to a patient. In ophthalmic practice we have to काउंसेल
----before giving dye ( Flourescein stirp , rose bengal dye )
--before installing dilating drop ( tropicamide )
--about steroid ( dexamethasone, betamethasone )
--about lid ह्य्गिएने
--about bad effects of hypertension and diabetes mellitus।
--prognosis of दिसेअसे
--about cycloplegic
drugs ( atropine, homatropine )
--about DCT and दकर
--about cataract ( opacity of the lens ) surgery।
--about photophobia and blurring of vision ( in cornea case )
--about using spectacles।

Blepharitis

noreply@blogger.com (zillur) — Wed, 02 Jul 2008 14:52:00 +0000

Difinition :
Chronic inflammation of the eyelid margin is called blepharitis.

Classification :
1. Anterior blepharitis
2. Posterior blepharitis.

Signs and symptoms :
--burning sensation
--photophobia
--watering
--madarosis ( falling of the eyelashes )
--poliosis ( whitening of the eye lashes)
--itching
--gritty sensation
--greasy eye lashes

Secondary cause by blepharitis :
--dry eye syndrome
--conjunctivitis
--keratitis
--stye
--meibomitis
--chalagion

Organism : stephylococcus

Management :
-- lid hygiene with baby shampoo
--warm compress
--systemic tetracycline
1. Tetracycline 250 mg q.i.d for 1 week then b.d for 5 to 12 weeks
2. Doxycycline 100 mg b.d for 1 week then daily for 5 to 12 weeks
3. Minicycline 100 mg daily for 6 to 12 weeks.
--Erythromycin for children and pregnent women
--Artficial eye drop ( 4 to 6 times daily )
--Antibiotic eye ont and drop
--Steroid eye oint and drop.

Follow up neccessary.