Lenses which way
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Ways to check if your contact lens is inside out. Place the contact lens between the tips of your thumb and forefinger, grasping it near the center so the entire edge is free. Gently squeeze the lens, as if you are about to fold it in half. If the edge of the lens points upward resembling a hard-shell taco , the lens is correctly oriented. If the edge bends outward toward your thumb and finger , the lens is inside out. If you wear contacts that have a handling tint that extends to the edge of the lens, place the lens on your fingertip as in Method 1 above , and look down at its edge from above.
If the color of the handling tint on the lens edge looks very blue or green, depending on the tint , the lens is correctly oriented. If the color looks pale or washed out, the lens probably is inside out. Some contact lenses have a laser marking to help you determine if your contact is inside out.
How to read a contact lens prescription. All about contact lenses. Just for fun. Are you a Tetrachromat? Eye conditions. Some contact lens manufacturers solved the problem differently. Rather than use numbers, they tinted the inside edges of the contacts. This tinting helps people wearing contacts put them in more easily.
For those contact lenses with a green or blue tinted edge, do the following to determine if they are inside out:. This method works better with some contact lenses than with others. However, the idea behind the method is that contact lenses do not flip over easily when facing the right way. In contrast, it will flip quite easily when inside out. This method takes some practice.
Try flipping your contacts until you see how they respond.
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