Question

what is the advantage of using contact lenses inspite of spectacles??

Answer 1

eyeglasses can do something contact lenses cannot — they can adjust the amount of light entering your eye for optimum comfort and vision. Specifically, photochromic lenses are clear indoors and at night, and darken automatically in sunlight for clear, comfortable vision in any light.

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Answer 2

Eyeglasses offer many benefits over contact lenses. They require very little cleaning and maintenance, you don't need to touch your eyes to wear them (decreasing your risk for eye infections), and glasses are cheaper than contact lenses in the long run since they don't need to be replaced as often.