Abstract：
PURPOSE:To evaluate the change in ocular function by eye in patients with unilateral pigmentary retinopathy. METHODS:Longitudinal regression was used to estimate mean exponential rates of change in Goldmann visual field area (V4e white test light) and in full-field electroretinogram (ERG) amplitudes to 0.5- and 30-Hz white flashes in 15 patients with unilateral pigmentary retinopathy. Snellen visual acuity was assessed case by case. RESULTS:Mean annual rates of change for the affected eyes were -4.9% for visual field area, -4.7% for ERG amplitude to 0.5-Hz flashes, and -4.6% for ERG amplitude to 30-Hz flashes. All three rates were faster than the corresponding age-related rates of change for the fellow normal eyes (P = 0.0006, P = 0.003, P = 0.03, respectively). An initial cone ERG implicit time to 30-Hz flashes in affected eyes ≥ 40 ms predicted a faster mean rate of decline of visual field area and of ERG amplitude to 0.5- and 30-Hz flashes (P < 0.0001 for all three measures). The visual acuity of affected eyes was more likely to decrease in patients presenting at >35 years of age than in patients presenting at a younger age (P = 0.0004). CONCLUSIONS:The affected eye in unilateral pigmentary retinopathy shows a progressive loss of peripheral retinal function that cannot be attributed to aging alone and that is faster in eyes with a more prolonged initial cone ERG implicit time. Patients presenting at >35 years of age are at greater risk for losing visual acuity.
journal_name
Invest Ophthalmol Vis Scijournal_title
Investigative ophthalmology & visual scienceauthors
Potsidis E,Berson EL,Sandberg MAdoi
10.1167/iovs.11-7892subject
Has Abstractpub_date
2011-11-29 00:00:00pages
9244-9issue
12eissn
0146-0404issn
1552-5783pii
iovs.11-7892journal_volume
52pub_type
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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