A total of 26 healthy volunteers, with a mean age of 32 years, were examined with and without one drop of 1% tropicamide being administered 30 min previously. On each occasion, acuity and pupil ...

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 ...

In part six of a series from the OSN Technology and Equipment Workshop featured at Hawaiian Eye 2010, Jack T. Holladay, MD, MSEE, FACS, presented a new contrast sensitivity testing device that offers ...