Smartphone-based Snellen visual acuity charts has become popularized; however, their accuracy has not been established. This study aimed to evaluate the equivalence of a smartphone-based visual acuity ...

Our formula for calculation of optotype size is also based on the arcminutes subtended by each letter, where we have calculated the ideal optotype size for a standard letter and combined this with ...

Now available for pre-order on Kickstarter, the DIY vision screener checks for 20/20 vision in under 3 minutes. SAN FRANCISCO--(BUSINESS WIRE)--EyeQue™, developers of award winning, affordable vision ...

A smartphone app was found to be useful and reliable by clinicians when testing vision for children during the COVID-19 pandemic. Assessing vision was found to be easy by families and reliable by ...

The principle of WHOeyes is based on how an eye care professional would assess visual acuity using a conventional chart in a clinical setting. The accuracy and usability of the app were tested in ...

Please provide your email address to receive an email when new articles are posted on . The Hadassah Self-Visual Acuity Screener demonstrated high reliability, accuracy and alignment with standard ...

Acuity of vision is a term used to describe the clearness or sharpness of your vision when measured at a distance of 20 feet. ‌ Visual acuity is the most common clinical measurement of how your eyes ...

Monocular contrast sensitivity and microperimetry are useful indicators of visual function and its impact on activities of daily living in those with AMD. Patients with AMD do not rely on binocular ...

Credit: Shutterstock. Individuals can complete the test in approximately 6 minutes, at which point the test results will be made available to an eye care professional. The Food and Drug Administration ...

Finely tuned eye movements are instrumental in enhancing visual acuity, according to findings of a study published in Nature Communications. Finely tuned eye movements are instrumental in enhancing ...

Perimetry, also known as visual field testing, is an essential diagnostic tool for assessing various ophthalmic conditions, including glaucoma, optic neuropathies, and disorders affecting the retina ...