26
Apr
Amsler Grid Degrees Of Central Vision. Age-related macular degeneration affects the retinas central area. This condition is the primary cause of vision loss among Americans. Cover one eye at a time with your hand. Amsler grid testing examines the central 20 degrees of the visual field.
It is responsible for the ability to clearly see objects directly in front of ones visual field enabling such activities as reading driving watching television and recognizing colors shapes and other visual characteristics of people or objects being viewed. An Amsler grid is a useful tool for monitoring your central visual field. It is a common practice to have patients who are at risk for exudative maculopathy evaluate their macular function daily using the Amsler grid. It is a diagnostic tool that is used mainly in screening detection and monitoring macular diseases eg. Any irregularities in the straight lines around the grid are noted by the patient. 10 The test is inexpensive and simple and can be self-administered but studies on the Amsler grid in glaucoma are limited.
-This test is use for screening diagnostic purpose 4.
The sequence of presentation of the respective grid was also chosen by randomization. Any irregularities in the straight lines around the grid are noted by the patient. Before starting the test patients near and distance vision should be corrected to normal. The Amsler grid is a tool that eye doctors use to detect vision problems resulting from damage to the macula the central part of the retina or the optic nerve. This condition is the primary cause of vision loss among Americans. It is a common practice to have patients who are at risk for exudative maculopathy evaluate their macular function daily using the Amsler grid.