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How Contact Lenses Have Evolved

How Contact Lenses Have Evolved By Michael J. Dodd, MD Contact lenses are an option to correct optical (refractive) errors of the human eye. There are four general types of refractive errors: myopia (nearsightedness), hyperopia (farsightedness), astigmatism and presbyopia (aging eyes which requires reading glasses). Combinations of these can occur. For example, a patient may have myopia with […]