I’m Allergic To Contact Lenses

Dear Dr. David, I’ve tried contact lenses several times. I always develop an allergy to them. Are there any contact lenses which do not cause allergies? Sincerely, Miss Frustrated   All contact lenses are hypoallergenic*, because all contact lens materials are...
The Foresight of a Backward Glance

The Foresight of a Backward Glance

Radio and TV ads of late frequently tout the benefits of refractive surgery and how it has improved people’s lives. Refractive surgery is the general term for surgical correction of nearsightedness, farsightedness etc. In fact one such ad in our area says that...
Winter Dry Eyes

Winter Dry Eyes

If you suffer from dry eyes, it’s about to get worse as winter creeps in. The thing about cold air is that even at 100% humidity it doesn’t hold much water. For example, if it’s 20º F. outside and the humidity is 100%, and you warm that air up to 70º F. in your home –...
Scleral Contact Lenses

Scleral Contact Lenses

Let’s consider the comfort of firm vs. soft contact lenses. A significant number find both firm and soft contact lenses uncomfortable, a few find firm contact lenses more comfortable, and a greater number find soft contact lenses more comfortable. Some of the comfort...
Streaming the Blues

Streaming the Blues

Your eyes, in combination with your brain, can see and understand light waves by interpreting them as color. Reds are longer wavelengths while blue and violet are shorter. Light is energy emanated in electromagnetic waves which are measured in nanometers (nm) or...