Secondly, the lens must fit your eye.To do this, lenses come in tens of thousands of combinations of diameter and curvature. of course, not every brand of lens comes in each "size".
The ECP specializes in assessment of Physiology of the eye, and his vision, to determine which lens best satisfies the two criteria above.
Thirdly, you can have another physician needs that drive the choice of the lens.For example, the ECP can choose a lens especially if your eyes tend to be dry.
Finally, consider your "wish list" of contact lens features — colors, for example, or during the evening wear.
When you and your ECP decide on the right lens for you, you will have a contact lens prescription. you will be able to purchase a supply of lenses to your ECP or many other establishments that sell contact lenses.
