Näönkorjausvälineen
Näönkorjausväline, which translates to "vision correction device" in English, refers to any apparatus or tool designed to improve or correct impaired vision. These devices work by altering the way light enters the eye or by directly stimulating the visual cortex. The most common forms of näönkorjausväline are eyeglasses and contact lenses, which refract light to focus it properly on the retina. Eyeglasses consist of lenses mounted in a frame that rests on the nose and ears. Contact lenses are small, curved lenses placed directly on the surface of the eye.
Beyond these widely used options, other näönkorjausväline include surgical procedures that reshape the cornea, such as