Article

Test could aid detection of AMD

According to a Canadian study, computer-based methods for evaluating the eye's ability to distinguish object details and shape in patients with age-related macular degeneration (AMD) could provide a more accurate assessment of the effectiveness of eye surgery and vision rehabilitation.

According to a Canadian study, computer-based methods for evaluating the eye's ability to distinguish object details and shape in patients with age-related macular degeneration (AMD) could provide a more accurate assessment of the effectiveness of eye surgery and vision rehabilitation.

Authors of the study incorporated four known features to improve visual acuity in their computer-based method: high contrast; white optotypes (symbols, letters, or numbers used in vision testing) on a black background to reduce intraocular scatter; proportional layout to reduce the effect of crowding; and multiple optotypes to minimize the effects of fixation instability and to maximize the likelihood of optotype detection.

After experimenting authors concluded that a multiple-optotype, reversed-polarity test is most effective in estimating a patient's optimal visual acuity at baseline before vision rehabilitation interventions or surgery.

"People with AMD rarely read or view things under optimal conditions, so this is not a test of how well they see in daily life," said study author, Esther G. González "This test is designed to give vision rehabilitation practitioners a measure of the best visual acuity a person is capable of and in this sense it could be a useful tool for assessing rehabilitation progress."

Newsletter

Don’t miss out—get Ophthalmology Times updates on the latest clinical advancements and expert interviews, straight to your inbox.

Related Videos
Patricia Buehler, MD, MPH, founder and CEO of Osheru, talks about the Ziplyft device for noninvasive blepharoplasty at the 2025 American Society of Cataract and Refractive Surgeons (ASCRS) annual meeting
(Image credit: Ophthalmology Times) ASCRS 2025: Bonnie An Henderson, MD, on leveraging artificial intelligence in cataract refractive surgery
(Image credit: Ophthalmology Times) ASCRS 2025: Gregory Moloney, FRANZO, FRCSC, on rotational stability
Sheng Lim, MD, FRCOphth, discusses the CONCEPT study, which compared standalone cataract surgery to cataract surgery with ECP, at the 2025 ASCRS Annual Meeting.
(Image credit: Ophthalmology Times) ASCRS 2025: Steven J. Dell, MD, reports 24-month outcomes for shape-changing IOL
Alex Hacopian, MD, discusses a presbyopia-correcting IOL at the 2025 American Society of Cataract and Refractive Surgeons (ASCRS) annual meeting
(Image credit: Ophthalmology Times) ASCRS 2025: Parag Majmudar, MD, on bridging the gap between residency and real-world practice
Brett Bielory, MD, discusses his poster at the ASCRS annual meeting, which focuses on an under-diagnosed corneal pathology: neurotrophic keratitis.
(Image credit: Ophthalmology Times) Oluwatosin U. Smith talks Glaukomtecken
ASCRS 2025: Eva Kim, MD, discusses implantable collamer lenses and high myopia.
© 2025 MJH Life Sciences

All rights reserved.