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46-year-old gentleman with bilateral blurry vision and photophobia for 6 months.
Digital Journal of Ophthalmology 2004
Volume 10, Number 4
February 3, 2004
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Rishi Singh, M.D. | Massachusetts Eye and Ear Infirmary
Simmons Lessell, M.D. | Massachusetts Eye and Ear Infirmary
Differential Diagnosis
1. Psychogenic (hysterical or malingered)
2. Retinopathies may cause metamorphopsia, night blindness, photisms, and delayed glare recovery
3. Neural causes
Dominantly inherited (Kjer's)
Mitochondrially inherited (Leber's)
Inflammatory/Demyleinating optic neuropathies
Infiltration or compression
Pernicious anemia
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