Diabetic retinopathy, which is a complication of diabetes that affects the eyes, is detected during a comprehensive eye exam that includes:

• Visual acuity testing.
• Dilated exam in which drops are placed to widen the pupil to allow examination of the retina.
• Tonometry. Measurement of the eye pressure inside the eye.

Supplemental testing may include:

• Optical coherence tomography (OCT). This is a non-invasive test that images the retina to detect any fluid or diabetic macular...

Transition lenses in eyeglasses have been around for many years now. The mechanics behind transition lenses is that certain chemicals in the lens interact with UV light from the sun and turn the lenses dark when you go outside and back to clear when you go inside.

This is a great accompaniment to sunglasses, as it is not always convenient to be carrying around multiple pairs of glasses with you, especially when going from inside to outside frequently. However, there are some drawbacks to...