The Amsler grid is a tool used to detect vision problems that may be related to maculardegeneration or other retinal issues. It consists of a grid of horizontal and vertical lines witha central fixation point. Patients are asked to look at the grid while covering one eye at atime and report any distortions, wavy lines, missing areas, or other abnormalities theyobserve. This can help identify changes in central vision and potential retinal issues.Visvue is essentially a digital version of the Amsler grid available for smartphones. Visvue isuseful for individuals to monitor their own vision at home and detect any changes overtime. App has features like the ability to perform self-tests, record and track the results, andset reminders for regular testing. This can be useful tool for individuals with conditions likemacular degeneration, where early detection of vision changes is crucial.Keep in mind that while this app can be helpful for self-monitoring, it is not a substitute for acomprehensive eye examination conducted by a qualified eye care professional. If you haveconcerns about your vision, its always best to consult with an eye doctor for a properdiagnosis and appropriate treatment.