Näönkorjaustarpeen
Näönkorjaustarve refers to the need for vision correction. It arises when a person's eyesight deviates from what is considered normal, impacting their ability to see clearly at various distances. This deviation, often termed a refractive error, can affect how light focuses on the retina. Common refractive errors include myopia (nearsightedness), hyperopia (farsightedness), astigmatism, and presbyopia.
Myopia causes distant objects to appear blurry, while hyperopia makes near objects difficult to focus on. Astigmatism
The presence of a näönkorjaustarve is usually identified through an eye examination conducted by an optometrist
Vision correction can be achieved through several methods. Prescription eyeglasses and contact lenses are the most