Latest News

Cataract Surgery and Anesthesia
The majority of cataract surgeries performed in the U.S. are done with a local anesthetic and IV sedation.The local anes...
9 Intriguing Facts About Green Eyes
In honor of St. Patrick’s Day and the “wearin’ of the green,” we thought it would be fun and fit...
What is Tonometry?
A common question asked during the eye exam is, “When is the puff coming?”  Patients are referring to a...
The Freaky Symptoms of Ocular Migraines
Have you ever seen a temporary black spot in your vision? How about jagged white lines? Something that looks like heat w...
Giving Your New Glasses a Chance
Eye doctors typically pride themselves on being able to improve someone’s vision through glasses or contact lens p...
 

When rays are focused correctly on the retina of a relaxed eye, the eye is said to be emmetropic. Emmetropia is the medical term for 20/20 vision, vision that needs no corrective lenses, contact lenses, or reading glasses. It occurs because the optical power of the eye can perfectly focus an image to the retina, giving it “perfect” vision.

The opposite of emmetropia is ametropia. With ametropia, the focal point of the eye is some distance in front of or behind the retina.  The following vision conditions are types of ametropia.