Eye color cannot be permanently changed without contacts. Eyeshadow can enhance existing eye color but not vice versa. Orange-tinted colors work best for blue eyes. Brown eyes can wear any color, cool colors help brighten them. Gray eyes pick up surrounding colors, sooty shades enhance them
Cataracts are clouding of the eye's natural lens, normal part of aging. Symptoms include blurred vision, night vision problems, and light sensitivity. Most patients report improved quality of life after surgery
Secondary IOL implantation needed for incorrect power, luxation, or opacification. Patient selection requires detailed anterior segment examination. Techniques include bag implantation, sulcus fixation, iris-fixation, and scleral fixation
Most common glaucoma surgery removing part of eye's trabecular meshwork. Allows aqueous humor drainage to under conjunctiva. Developed by Peter Gordon Watson and John Cairns in 1970s
Phacoemulsification removes cataract using ultrasonic vibrations and aspiration. Small incisions allow for foldable IOL implantation. System includes ultrasound, aspiration, and irrigation components. Most common cataract surgery worldwide with excellent prognosis
Eyelid is a thin skin fold protecting the eye. Levator palpebrae superioris muscle retracts eyelid for vision. Regular tear distribution keeps cornea moist. Eyelashes protect eye from dust and debris