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LASIK

LASIK. Done By: Jun Siang. Before Surgery. Stop wearing contact lenses(Contact lenses change the shape of your cornea for up to several weeks)thus effecting baseline evaluation. The day before surgery , don’t use:creams, lotions,makeup,perfumes.

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LASIK

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  1. LASIK Done By: Jun Siang

  2. Before Surgery • Stop wearing contact lenses(Contact lenses change the shape of your cornea for up to several weeks)thus effecting baseline evaluation. • The day before surgery, don’t use:creams, lotions,makeup,perfumes. • Clean eyelashes(to reduced chances of infection)

  3. During The Surgury First,a numbing drop will be placed in the eye and the area around it will be cleaned. A lid speculum will be used to hold the eyelids open.Next a Microkeratome is used to cut a flap in the cornea.The flap is folded back on its hinge, and the exposed tissue is dried.Laser energy is used to vaporize the corneal tissue, the flap is put back into position.A shield will be placed over the eye at the end of the procedure as protection.

  4. After Surgury • The eye may burn, itch, or feel like there is something in it. • The vision will probably be hazy, blurry, sensitivity to light, glare, starbursts or haloes around lights, or the whites of your eye may look red or bloodshot. • On the first post-operative visit, the doctor will remove the eye shield, test the vision, and examine the eye. • Avoid doing things that can harm the eye.

  5. Risk and Complication • About 5% of people experienced some complication in the 1990s. • However, if carefully selected surgical candidates the rate will be about 1%. • Even when LASIK complications do occur, they often can be resolved through laser re-treatments or enhancements of the eye. • It is very rare to have permanent worse vision then the vision before with with contact lenses or eyeglasses after surgery.

  6. Difference using Microkeratome and IntraLase

  7. LASIK Complication • Incomplete corrections (undercorrection, overcorrection, residual astigmatism) or regression of effect • Decentered ablations • Oversize pupils (pupils wider than treatment zone) • HazeIrregular flap (folds, wrinkles, striae) • Dry eye • Diffuse lamellar keratitis • Epithelial ingrowth • Infection

  8. Is Lasik the only Choice ? Though lasik is a way to correct vision, there are other ways to correct them like. Wear glasses or contact lenses is a way. Lasik can expensive, a little risk is involved while glasses have no risk involved. However, Wearing contact lens or Glasses, each had their own drawbacks and advantages.

  9. Contact Lenses and Glasses • Some of the advantages of contact lenses and Glasses are: • Easy  maintenance (Glasses) • Relatively  low cost (Glasses) • Versatility (Glasses) • No  change in cosmetic appearance (contact lenses) • More  freedom during recreational and sporting  activities (contact lenses) • Better  peripheral vision than glasses (contact lenses)

  10. Contact Lenses and Glasses • Some of the disadvantages are: • High  maintenance (contact lenses) • Easy  to lose (contact lenses) • Risk  of infection (contact lenses) • Change  in cosmetic appearance (Glasses) • Restriction  of peripheral vision (Glasses) • Interference  with recreational, sporting, and  work-related activities (Glasses) • Easy  to lose or damage (Glasses) • Continual  dependence (Glasses) • Infection is more common with contact lenses than with vision correction procedures.

  11. The End Thank you for your attention.

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