Visual acuity (VA) is acuteness or clearness of vision, especially form vision, which is dependent on the sharpness of the retinal focus within the eye, the sensitivity of the nervous elements, and ...

SAN FRANCISCO, California — A vision-testing system that factors real-world contrast and lighting conditions into the measurement of acuity could help ophthalmologists understand why patients with ...

Please provide your email address to receive an email when new articles are posted on . Perceptual learning significantly improved spectacle-corrected distance visual acuity. Patients assigned to ...

Background Infectious keratitis (IK) is a leading cause of corneal blindness globally. While treatment can limit infection-related complications, the timeline and predictors of visual recovery in IK ...

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 ...

Two recent clinical reports of retinal gene therapy with adeno-associated virus (AAV) vectors in patients with Leber’s congenital amaurosis showed initial gains in visual function that subsequently ...

Impaired vision and blindness are common. About 3.4 million people in the US are blind or visually impaired. Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20 ...

To evaluate consistency among consultant ophthalmologists in registration of visual impairment of patients with glaucoma who had a significant visual field component to their visual loss. Thirty UK ...

A visual acuity test is an eye exam that checks how well you see the details of a letter or symbol from a specific distance. Visual acuity refers to your ability to discern the shapes and details of ...