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Duane retraction syndrome: a montage of a childs eyes in different positions of gaze, used to demonstrate the abnormal horizontal eye movement pattern of Duane syndrome type I

Duane Retraction Syndrome: When the Wiring, Not the Muscle, Is the Problem

By Ahmed · 5 min read ›

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Refresh your memory 8 questions from 8 articles

1 / 8 0 correct

Why must anti-retinal antibody results be interpreted with care in suspected cancer-associated retinopathy?
Serum anti-retinal antibody testing is useful but imperfect: false positives occur, and cancer-associated retinopathy exists without detectable anti-recoverin antibodies.
Cancer-Associated Retinopathy: A Paraneoplastic Cause of Progressive Vision Loss
Which measure protects an eye with significant nocturnal lagophthalmos?
Lid taping or a moisture chamber adds protection overnight, and is especially useful in intensive care or perioperative settings where the cause is temporary.
Exposure Keratopathy: When the Lids Can’t Cover the Cornea
Where does the greatest risk lie in pediatric blepharoptosis?
Most children do well with timely coordinated care, so the main danger is unrecognised visually significant ptosis letting amblyopia progress unaddressed.
Pediatric Blepharoptosis: When Drooping Eyelids Threaten Vision, Not Just Appearance
Which symptom pattern suggests late in-the-bag IOL dislocation?
Presentation includes blur with a refractive change, monocular diplopia, a visible lens edge in the pupil, glare, and positional change in vision when the lens falls back on lying down.
Late In-the-Bag Intraocular Lens Dislocation: Why a Lens Implant Can Fall Years After Surgery
Why does radiation damage to the lens accumulate instead of clearing?
Because the lens does not shed cells, radiation-damaged cells remain and the damage accumulates, so the opacity appears months to years after the exposure.
Radiation Cataract: Why the Lens Is One of the Most Radiosensitive Tissues in the Body
Which imaging is used when a suspected senile scleral plaque looks atypical?
Tests are usually unnecessary, but anterior segment OCT is the imaging of choice if the appearance is atypical or there is pain or redness.
Senile Scleral Plaque: The Gray Patch in Front of the Rectus Muscle Insertion That Needs No Treatment
Which feature of angle recession correlates with higher long-term glaucoma risk?
Glaucoma develops in only a subset of eyes with angle recession, and risk correlates to some degree with extent, more extensive recession involving a greater circumferential portion of the angle carrying higher long-term risk.
Angle Recession Glaucoma: The Delayed Consequence of Blunt Eye Trauma
How does corneal vascularization in interstitial keratitis differ from pannus?
In interstitial keratitis the stromal vessels extend from the limbus deep to the epithelium, unlike the more superficial vascularization of pannus seen in chronic surface disease.
Interstitial Keratitis: The Deep Corneal Clue to Congenital Syphilis

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