Have a look at some common reasons behind Visual Impairment

Visual impairment has no doubt affected the lives of many people of different age groups. Despite advances in technology, visual impairment still exists in one of every 4 people.  South Texas Eye Institute is well prepared to offer different types of treatment, including glasses, contact lenses, refractive surgery, evaluation and treatment for cataract, glaucoma, diabetes, and macular degeneration .

In researching your possible visual problems, we have compiled a discussion of some of the conditions below.

Macular Degeneration

Macular degeneration is one such cause of permanent visual loss that directly affects the retina.  The retina is the light-sensitive lining present behind the eyes. The blurry vision caused by macual degeneration causes difficulty in reading and doing your regular activities. Macular degeneration can be dry, or wet.  The dry form has no treatment at this time, and it causes scarring and pigment deposition in the macula, slowly diminishing the vision. The wet form is responsible for more severe and rapid vision loss, but does have a treatment available.  There are some things to prevent the progression of the disease, but there is no cure.  Vitamins, UV eye protection, and avoiding tobacco are all good ways to help prevent the progression of Macular Degeneration.

Contact South Texas Eye Institute for an appointment to get evaluated for Macular Degeneration.


Glaucoma is a medical condition in which there is a loss of nerve tissue in the optic nerve. This nerve is responsible for carrying out the visual signals to the brain. With continued damage to the cells, peripheral vision is affected.

This state goes undetected many times because symptoms can be mild or hard to recognize. The loss of eyesight gradually starts and sometimes is not recognized until the visual field is permanently affected.  Regular eye exams can help detect risk of Glaucoma before it affects your vision.

Diabetic retinopathy

Diabetes is a serious problem by itself, but vision loss due to diabetes can cause further loss of quality of life. Diabetic retinopathy is a serious complication that weakens the blood vessels and results in leakage of fluid into the tissues.  This causes blurry vision. Like Glaucoma, Diabetic Retinopathy can go undetected, due to mild or no symptoms.  A yearly eye exam can establish a baseline, and detect any changes in the blood vessels of the retina.  Laser surgery is sometimes an option to help prevent the progression of this condition.


A cataract is regarded as a clouding of the lens inside the eye. This cloudiness hampers the light that reaches the retina and thus leads to loss of vision.  Though there are many causes of cataracts, the most common is ageing. Other causes can include trauma, systemic diseases, damage from sunlight (UV rays), or inherited diseases. To maintain good vision, a cataract surgery can become necessary. The success rate of cataract is very high as compared to other surgeries.

The eye surgeons at South Texas Eye Institute are experts in Cataract Surgery, and have the option to use laser to perform part of the surgery. We have the advanced equipment to perform the surgery and bring new light to someone’s life.

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