Open AccessHigh- and Low-contrast Letter Acuity during Image Motion in Normal Observers and Observers with Infantile Nystagmus Syndrome
Author(s) -
Harold E. Bedell,
Sop Song
Publication year - 2021
Publication title -
optometry and vision science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.779
H-Index - 97
eISSN - 1538-9235
pISSN - 1040-5488
DOI - 10.1097/opx.0000000000001643
Subject(s) - visual acuity , contrast (vision) , nystagmus , luminance , vernier acuity , motion (physics) , audiology , optometry , optics , ophthalmology , medicine , computer vision , physics , computer science
High-contrast acuity in individuals with infantile nystagmus syndrome (INS) is poorer than expected from their ongoing retinal image motion, indicating a sensory loss. Conversely, acuity for larger low-contrast letters in these observers may be limited by image motion alone.