Contact lenses are ocular optic devices used on the surface of the eyes and they can be worn to correct vision, for cosmetic reasons or for therapeutic reasons. Contact lenses are thin and invisible to others and there are different types of contact lenses with variable wearing schedules available.
Soft Contact lenses
Hard contact lenses
There are a series of tests to be done before dispensing the suitable contact lenses for you, when you visit vision care.
Do’s and Don’ts in contact lens use
- Stick strictly to the wearing schedule prescribed by your eye care professional and replace your contact lenses as prescribed.
- Clean, rinse, and disinfect your contact lenses with lens solution each time you remove them. Always remember to use lens solutions. Do not add more solutions on top of what’s already in the case.
- If your eyes become red, irritated, or your vision changes, remove your lenses immediately and consult your eye care professional.
- Always handle your lenses with clean, dry hands. Wash, rinse, and dry your hands thoroughly with a lint-free towel before touching your lenses.
- After use, always empty and rinse the lens case with lens solution and allow the lens case to air dry.
- Insert contact lenses before applying makeup and remove your lenses before washing off makeup.
- Never wear your lenses beyond what your eye care professional recommends.
- Don’t Share your contact lenses with others.
- Don’t Sleep while wearing your contact lenses.
- Don’t bathe or swim while wearing your contact lenses.
Contact lens Assessment
The primary eye examination includes a corneal map and other ocular health examinations which will be taken in order to evaluate your suitability for using contact lenses. There are different types of contact lenses available and their applications differ according to the purpose.
- Prescription contact lens – These are used to correct vision problems instead of using spectacles.
- Cosmetic contact lens – These are colored lenses used to enhance the attractiveness of the eyes.
- Therapeutic contact lens – These are used as a bandage or treatment to the damage cornea.
It is a pre-operative and post-operative assessment test using a variety of techniques to evaluate the status of your cornea. The assessment includes a vision test, corneal topography, pachymetry, specular microscopy, HD cornea, etc.
Corneal topography is a computer assisted diagnostic tool that creates a three-dimensional map of the surface curvature and the power of the cornea with detailed information which is used to diagnose, monitor, and treat various eye conditions.