Showing posts with label OPHTHALMOLOGY. Show all posts
Showing posts with label OPHTHALMOLOGY. Show all posts

About Visual fields

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 A patient presents with a bilateral homonymous quadranopsia involving the right upper visual field. Which of the following represents the M...

About Retinal Detachments

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Which of the following statements is TRUE regarding acute traumatic retinal detachments? (A) Most detachments can be visualized on standar...

Video demonstrates Actions of the ocular muscles

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This short video demonstrates how the eye muscles work together to move the eye illustrated by simple animation

Photo description of Pterygium of the eye

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Pterygium is a raised, wedge-shaped, non-cancerous growth of the conjunctiva onto the cornea, characterized by elastotic degeneration of an...

PVR or Proliferative Vitreo-Retinopathy (with video of Endoscopic Membranectomy)

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In patients with Retinal Detachment "RD" ,Approximately 8-10% will develop Proliferative vitreoretinopathy (PVR) as a most common ...

Von Hippel-Lindau

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Von Hippel-Lindau disease is an autosomal dominant disorder that consists of some combination of retinal angioma, cerebellar or spinal cord ...

Hordeolum Vs Chalazion ...Clinical Summary

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A hordeolum is an acute inflammation and/or abscess involving the glandular structures of the eyelid and presents as an acute, tender swell...

Wolfflin Spots

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Wolfflin spots are the whitish clumps of connective fibers found in some irides (mostly blue) near the periphery. These are somewhat distinc...

About corneal injuries

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Which of the following statements is true regarding corneal injuries? A) Patients should have the affected eye patched for 24 hours. B) To...

What is Microperimetry

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Artificial Iris Implant

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Risk factors for retinal detachment

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-Which of the following is considered a risk factor for retinal detachment?   A) Glaucoma B) Diabetic retinopathy C) Hyphema D) Myopia A...

Squamous Blepharitis

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Defined as Low grade infection on top of abnormal secretions of the lid glands ,a kind of nonulcerative blepharitis .As a Part of a dermatol...

Lamellar Keratoplasty (LK)

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Most corneal transplants performed in the U.S. involve replacing the entire thickness of the diseased cornea with a healthy donor cornea (ca...

differential diagnosis of a heavily pigmented iris lesion

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Sectorial heterochromia, heavily pigmented nevus, and melanoma must be considered. The eye and its lesion must be reevaluated periodically -...

Pupil expansion ring with a single Iris retractor

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This case of a very small pupil, previous uveitis, total posterior synechia, with +6 black nuclear cataract with very shallow anterior chamb...

Relationship of nerves and vessels to the annulus of Zinn

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Diagram of right orbit that shows the relationship of entering nerves and vessels to the annulus of Zinn.  The four recti muscles arise from...

Corneal Abrasion:What to do and What not to do!

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The patient may complain of eye pain or a foreign body sensation after being poked in the eye with a finger or twig. The patient may have ...

Glaucoma Surgery 3D Animation

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Glaucoma surgery is explained using 3D computer animations

Blepharospasm

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Blepharospasm is an abnormal tic, spasm, or twitch of the eyelid. It is sometimes referred to as Benign Essential Blepharospasm. Focal dyst...