The most common treatment for short-sightedness (myopia) is to correct - PDF document

The most common treatment for short-sightedness (myopia) is to correct your eyesight using glasses or contact lenses. Laser surgery to correct short-sightedness is also becoming increasingly popular. A relatively new technique that can be used if laser s___________(1) is not possible, or is ineffective, is to implant artificial lenses in the eyes Corrective lenses Glasses Short-sightedness can usually be corrected using glasses that are made specifically to your _______________(2). Concave lenses are used to correct short-sightedness. Concave lenses are thicker at the edge than at the centre. The curvature of the lens, its thickness and weight will depend on how short-sighted you are. Wearing a lens that's made to your prescription will ensure that light Laser surgery Laser surgery involves using a laser to burn away small sections of your _________(10) to correct their a) Match the definitions to the following nouns. PRESCRIPTION impossible or nearly impossible to seeRAYS written instructions for an optician on the lenses for a given personTREATMENT the transparent dome-shaped anterior portion of the outer covering of the eyeCORNEA not arising from natural growthsize of the gap between two placeslight-sensitive membrane covering the back wall of the eyeballbeing about to produce life/give birthDANGEROUS CLOSE medical care provided to improve a health involving or causing danger or riskoperationb) Use these nouns to complete the text. Answer the following questions: tions to short-sightedness? What are the advantages of contact lenses compared with glasses? Can you undergo a laser surgery operation when you are 20 years old? If not, Which of the four solutions to short-sightedness would you choose and why?