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Acute 6th Nerve Palsy ( Abducent Nerve Palsy )

Acute 6th Nerve Palsy ( Abducent Nerve Palsy )

Acute 6th Nerve Palsy ( Abducent Nerve Palsy ) The diagnosis of Acute 6th Nerve Palsy should not present any difficulties : 1.There is marked limited abduction of the paretic eye . 2.The greatest esotropia occurs on attempts to abduct the paretic eye . 3. Most patients will complain about double vision in lateral gaze and assume a compensatory face turn ... Read More »

Huge Exotropia Working on the sound eye

Huge Exotropia Working on the sound eye

Huge Exotropia Working on the sound eye It is usually a hard job to convince such  patients that this huge XT will not be corrected without working on their seeing eye. Adding one muscle from the sound eye to the surgical plan usually gives satisfactory results. A lateral rectus recession of the sound Lt eye was needed for perfect surgical correction. ... Read More »

Abnormal chin up due to A pattern esotropia

Abnormal chin up due to A pattern esotropia

Abnormal chin up due to A pattern esotropia One of the most valuable contributions in the second part of the twentieth century to the field of strabismus was the emphasis on what has come to be known as the A and V patterns of strabismus. A pattern esotropia usually Associated with : Mongoloid Fissure , Medial Pulley down & Lateral ... Read More »

Bilateral Congenital Superior Oblique Palsy with Intermittent V Exotropia

Bilateral Congenital Superior Oblique Palsy with Intermittent V Exotropia

Bilateral Congenital Superior Oblique Palsy with Intermittent V Exotropia C/O : Parents of this 4y old child complain that the eyes of their child sometimes deviate out they noticed this since early childhood Motility : Versions are an extremely important part of the diagnosis of superior oblique palsy. The most tell-tale finding is inferior oblique overaction, and to a lesser ... Read More »

Brown Syndrome

Brown Syndrome

Brown Syndrome Brown syndrome is a rare form of strabismus characterized by limited elevation of the affected eye. The disorder may be congenital(existing at or before birth), or acquired. Brown syndrome is caused by a malfunction of the Superior oblique muscle, causing the eye to have difficulty moving up, particularly during adduction (when eye turns towards the nose). Harold W. ... Read More »

Ocular Motility Examination Video

Ocular Motility Examination Video

Ocular Motility Examination Video Ocular motility should always be tested, especially when patients complain of double vision or physicians suspect neurologic disease. First, the doctor should visually assess the eyes for deviations that could result from strabismus, extraocular muscle dysfunction, or palsy of the cranial nerves innervating the extraocular muscles. Saccades are assessed by having the patient move his or ... Read More »

Hirschberg Test – Squint Video

Hirschberg Test - Squint Video

Hirschberg Test – Squint Video Technique It is performed by shining a light in the person’s eyes and observing where the light reflects off the corneas. In a person with normal ocular alignment the light reflex lies slightly nasal from the center of the cornea (approximately 11 prism diopters — or 0.5mm from the pupillary axis), as a result of ... Read More »

Squint Cover Tests Video

Squint Cover Tests Video

Squint Cover Tests Video A cover test or cover-uncover test is an objective determination of the presence and amount of ocular deviation. It is typically performed by orthoptists, ophthalmologists andoptometrists during eye examinations. The two primary types of cover tests are: the alternating cover test the unilateral cover test (or the cover-uncover test). The test involves having the child (typically) ... Read More »

Krimsky Test and Modified Krimsky Test Video

Krimsky Test and Modified Krimsky Test Video

Krimsky Test and Modified Krimsky Test Video The Krimsky test is essentially the Hirschberg test, but with prisms employed to quantitate deviation. The Krimsky test is advisably used for patients with tropias, but not with phorias. This video demonstrates the use of the Krimsky Test to measure strabismus when one eye does not see well and cover testing is not possible.     ... Read More »

Tropias and Phorias Differentiating Videos

Tropias and Phorias Differentiating Videos

Tropias and Phorias Differentiating Videos This presentation demonstrates an approach to eye-movement disorders commonly seen in an ophthalmology or optometry clinic. This is the first half of the lecture, and focusses on large-angle tropias and how to document and name tropias (exotropia,esotropia,hypertropia,hypotro­pia).     The second half of this lecture focusses on the difference between phorias and tropias. Specifically, the ... Read More »

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