Optical
Glaucoma is a condition that leads to a slow vision loss in the eyes. It can occur in one or both eyes, though it does not spread from one eye to the other. Cataracts, on the other hand, are a condition when the lenses of the eyes tend to become cloudy and vision becomes blurry. |
Myopia, commonly known as short sightedness or near-sightedness, and Hyperopia, known as long sightedness, are two of the most common eye conditions. Myopia or near-sightedness means that they can see things that are near clearly, whereas the things that are far away appear to be blurry. In hyperopia, objects that are close appear to be blurry, while objects far away appear normal. |
Laser eye surgery is a general term. It refers to any eye surgery done with a laser. LASIK eye surgery is a type of laser eye surgery. |
The main difference is that ophthalmology is a medical field, whereas optometry is not. This means that an ophthalmologist is a Medical Doctor with an M.D. degree. An optometrist is a trained professional; however they do not have an M.D. degree. |
Glasses also known as spectacles, specs or eyeglasses are frames that bear lenses and are worn in front of the eyes for correcting vision. On the other hand, contact lenses are lenses that are directly placed on the cornea of eyes. |
Plastic lenses are cheaper, lighter and less likely to break than glass. Glass lenses are more expensive, heavier and scratch resistant that plastic. |
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