Retina Treatment In MumbaiPosted by Dr Niteen Dedhia on June 12th, 2019 The retina is like the film in a camera. The retina is the third and inner coat of the eye which is a light-sensitive layer of tissue. When the focused light hits the retina, a picture is created and sent to the brain through the optic nerve (the nerve of the eye), thus giving us vision. Sometimes part of the retina either tears pulls away or detaches from the back of the eye; when this occurs that part of the retina cannot gather light and results in vision loss. Age-Related Macular DegenerationWhat causes in AMD?During normal aging, yellowish deposits, called drusen, form under the retina, which is the light-sensitive layer of tissue at the back of the eye that provides clear, sharp images. As drusen increase in size and number, they can interfere with the proper functioning of the retina, damaging or killing the light-sensitive cells of the macula. Because the macula’s light-sensitive cells provide the ability to have a sharp, detailed vision, the results can be blurring of central vision and a devastating impact on the ability to enjoy activities of daily life, such as reading, driving, or even recognizing the face of a friend or family member. This form of age-related macular degeneration is called dry AMD. Dry AMD can be a precursor to wet AMD. Wet AMD occurs when abnormal blood vessels behind the retina start to grow under the macula. These blood vessels often leak blood and fluid, damaging or killing light-sensitive cells—loss of vision occurs quickly. Although approximately 80 percent of patients with age-related macular degeneration have dry AMD, wet AMD is responsible for 80 to 90 percent of severe loss of vision with this disease. Life with AMD : what you should know but din’tAMD may be a difficult condition, but it is not as devastating as people fear when they are diagnosed and only rarely leads to complete blindness. Millions of people actually live healthy, independent lives, despite having age-related macular degeneration. It is important to learn about the disease and work with a retina specialist, who will put a treatment plan in place. These physicians have the ability, training, and experience to treat all medical and surgical aspects of AMD and other diseases of the retina. A retina specialist can also suggest access to rehabilitation options like low vision aids which includes a variety of tools and resources that can make everyday living with AMD a little bit easier. SymptomsThe earliest signs of AMD in the retina can be detected by a retina specialist before you have any vision loss, but those who have had the disease for some time may notice changes in vision which are symptomatic of dry and wet AMD. Dry AMD symptoms
Wet AMDWet AMD Symptoms
It is important to pay close attention to any decline in central vision—both near and distant. If you notice any of these signs or symptoms, schedule an examination with a retina specialist. Risk factorsMany people ask if age-related macular degeneration can be prevented. Like most things in life, there is no easy answer. The primary risk factor for AMD is age—the older you are, the greater your risk. Also, people with a family history of AMD are at higher risk, as are women and people of European descent. Some lifestyle factors are also known to increase your risk for AMD:
Diagnostic testsThe best way to detect AMD is an examination by a retina specialist. The following are some typical methods he/she will use to check for AMD. Dilated eye examIn this examination, a physician uses eye drops to dilate, or widen, the pupil to examine the retina. Regular dilated eye exams are important, especially for those who are at a higher risk for developing AMD. If you are over age of 50, it is a good idea to schedule an periodic eye examination to look for the earliest signs of AMD before any vision loss has occurred. Ocular coherence tomographyThe physician may suggest an optical coherence tomography (OCT) exam. This test provides cross-sectional images of the retina that show its thickness, helping determine whether fluid has leaked into retinal tissue and other changes that happen with AMD. Amsler gridAnother way to detect AMD is by using an Amsler grid test. In this test, the patient covers one eye at a time and stares at the black dot at the center of the grid. If the straight lines appear broken, crooked, wavy, bent, or distorted, the patient may have AMD. It is important to note that this test is hardly sufficient to rule out the possibility of AMD, as many people with the disease may see no abnormalities on an Amsler grid. Visual acuity testBecause AMD affects visual acuity, an eye chart can also be an indicator of the development of AMD. Treatment and drugsThere is no known cure for AMD, but early detection and proper treatment can protect vision from further deterioration. Dry AMD treatments
Wet AMD treatmentsThere is a variety of medical treatments that can help stop further vision loss caused by wet AMD:
Intravitreal Injections
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