Essay On Contact Lenses

Contact lenses are the new medical technology that is produced to replace the eyeglasses. The people with vision problems have many problems about wearing eyeglasses such as difficulty of doing activities in everyday life and hiding the face that reduce the good personality, so the contact lenses are produced to solve these problems. There are some people claim that the contact lenses have a lot of negative effects on the eyes more than help them such as dry eyes, Hypoxia and infection of the cornea. However, many doctors of medicine have reported that the contact lenses not only help the contact lenses wearers are comfortable and confident more and more but also can protect and treat the eye conditions in many way. As Frank J. Weinstock, a board-certified ophthalmologist wrote that “Contact lenses may be used for treatment of diseased eyes” (2016). In my opinion, the contact lenses are valuable on the eyes more than harm them. Many doctors of medicine have reported the advantage of some contact

The procedure may also be effective with low degrees of astigmatism. Orthokeratology lenses are worn nightly, or on alternate nights, and removed in the morning. The aim is to correct vision without the need for spectacles or contact lenses during the day. Because the effects on the shape of the eye are temporary, the eyes return to their original shape and prescription if the lenses are left off for a few days. The main advantage is that contact lenses are not worn during the day, which is particularly useful for some activities, such as water or contact sports. Since it's possible to see both with and without the lenses, they correct vision around the