Contact Lens
A contact lens is a thin, curved lens placed directly on the surface of the eye to correct vision, for cosmetic purposes, or for therapeutic reasons. Contact lenses are a popular alternative to eyeglasses, offering a wider field of view and not obstructing peripheral vision.
Uses of Contact Lenses
- Vision Correction: The primary use is to correct refractive errors like nearsightedness, farsightedness, astigmatism, and presbyopia.
- Cosmetic Enhancement: Change or enhance the color of the eyes.
- Therapeutic Uses: Protect the cornea, deliver medications, and aid in the healing of eye conditions.
- Orthokeratology (Ortho-K): Special rigid lenses worn overnight to reshape the cornea and temporarily correct myopia or mild astigmatism.
Advantages of Contact Lenses
- Aesthetics: Provide a natural look without the need for glasses.
- Field of View: Offer a wider and unobstructed field of view compared to glasses.
- Convenience for Activities: More practical for sports and other physical activities.
- No Fogging: Unlike glasses, contact lenses do not fog up in different temperatures.
