Eye Examinations Archives

Prism Correction Glasses: What Are They?

Written By Michael Healy

Eyeglasses are typically prescribed for two main reasons: astigmatism and near- or farsightedness. Another common reason is to correct double vision, or diplopia. Read on to understand the warning signs, diagnostics, and whether or not you might be in need of prism correction glasses.

What causes the need for prism correction glasses?

If your eyes are working in accordance with each other, you have what is known as binocular vision. When light passes through the cornea, the dome-shaped tissue lining the outside of the eye helps to focus the light before it reaches the retina, the light-sensitive tissue lining the back surface of the eye.

Light that’s been converted by the cornea is sent to the brain as electrical impulses along the optic nerve to be translated into images. Typically, the eyes work together to see one, single image because light falls on the same spot in each retina.

However, in someone with diplopia, light falls on different parts of the retina, causing two separate images to be seen.

Diplopia is not the only reason for potentially needing prism correction glasses. Other causes include:

Getting Contacts for the First Time: What to Know

Written By Oliver Torres

Contact lenses are an amazing product of innovation. It still amazes me that something so small and delicate can bring a person’s world into focus. Contacts may seem like an obvious choice for anyone who wears glasses, but there are a few things everyone should consider first. Here’s what to know when getting contacts for the first time.

Signs Toddler Needs Glasses: 7 Key Things to Look For

Written By Michael Healy

You get a call from your child’s preschool teacher. Your kid has been acting out in class again; this isn’t normal behavior, but it’s starting to become a pattern. At home, you notice your child sits extremely close to the television, rubs his eyes with increased frequency, and complains of headaches. These could all be signs toddler needs glasses.

If you’re like me, you probably felt guilty for missing the signs that your child might need glasses. Looking at this situation after the fact, I realized there are 7 key signs a toddler needs glasses, including: