There are three types of contact lenses, soft, rigid and semi-rigid. Both soft and rigid contact lenses can correct myopia, hypermetropia, astigmatism and presbyopia or eyestrain: Myopia is a defect characterized by blurred distance vision. People suffering from myopia have difficulty focusing on distant objects. Hyoperopia is a defect that causes blurred near vision and…

Generally, there are several types of contact lenses. For most people, the most suitable option are hydrogel or silicone hydrogel lenses. These are used to correct myopia, hypermetropia, astigmatism and presbyopia. There are Contact lenses to correct various types of refractive errors: myopia, hyperopia, astigmatism and eyestrain. Myopia is a defect characterized by blurred distance…