Question

Use the drop-down menus to select the best answers. ______ are worn on the face and have different prescriptions based on the severity and type of vision loss. _______ is a procedure used to permanently correct vision loss. _______ are worn directly on the eye and have different prescriptions based on the severity of vision loss.

answers:
- eyeglasses
- laser eye surgery
- contact lenses

Answer 1

Eyeglasses and contact lenses are prescribed to correct vision based on individual needs, while LASIK is a surgical procedure to permanently correct vision issues by reshaping the cornea.

Step-by-step explanation:

​Eyeglasses are worn on the face and have different prescriptions based on the severity and type of vision loss. Laser eye surgery, specifically LASIK (Laser-Assisted in situ Keratomileusis), is a procedure used to permanently correct vision loss. Contact lenses are worn directly on the eye and have different prescriptions based on the severity of vision loss.

Myopia (nearsightedness) and hyperopia (farsightedness) are common vision problems that can be corrected with lenses that help focus light on the retina. For myopia, a concave lens is used, while for hyperopia, a convex lens is utilized. The goal of both eyeglasses and contact lenses is to correct vision so that light is focused properly on the retina, improving clarity of vision.

LASIK surgery involves reshaping the cornea with a laser to correct vision problems. This procedure changes the curvature of the cornea, which accounts for about two-thirds of the eye's focusing power, to correct refractive errors. For myopia, the cornea is flattened, reducing its power, while for hyperopia, the curvature of the cornea is enhanced, increasing its power.