What Disease Causes Blindness
Cataract blindness challenges for the 21st century pdf 256kb international council of ophthalmology.
What disease causes blindness. For example retinitis pigmentosa can cause tunnel vision in which only a tiny window of central vision remains. It is the second most common cause of blindness due to infection after trachoma. To advocate for the elimination of barriers to access eye care to provide guidance and technical support of the development of comprehensive eye care systems to address the burden of cataract and other chronic eye diseases.
The leading causes of blindness and low vision in the united states are primarily age related eye diseases such as age related macular degeneration cataract diabetic retinopathy and glaucoma. It is also called stargardt macular dystrophy juvenile macular degeneration or fundus flavimaculatus. Common retinal diseases and conditions include.
Symptoms include severe itching bumps under the skin and blindness. This also affects the possibility to read watch television drive and do daily activities. Glaucoma refers to different eye conditions that can damage your optic nerve which carries visual information from your eyes to your.
Less common causes of blindness include vitamin a deficiency retinopathy of prematurity vascular disease involving the retina or optic nerve including stroke ocular inflammatory disease retinitis pigmentosa primary or secondary malignancies of the eye congenital abnormalities hereditary diseases of the eye and chemical poisoning from toxic agents such as methanol. Untreated some retinal diseases can cause severe vision loss or blindness. Click here to see the anatomy the eye and how the eyes work.
Other common eye disorders include amblyopia and strabismus. The following eye diseases and conditions can cause blindness. Learn about the symptoms causes diagnosis and treatment of stargardt disease and current research.
Cataracts are actually a major cause of blindness so pay attention to it. It is a disease which can damage the central vision needed to see well. The parasite worm is spread by the bites of a black fly of the simulium type.
A retinal tear occurs when the clear gel like substance in the center of your eye vitreous shrinks and tugs on the thin layer of tissue lining the back of your eye retina with enough traction to. Onchocerciasis also known as river blindness is a disease caused by infection with the parasitic worm onchocerca volvulus. Stargardt disease is an inherited disorder that usually causes vision loss in childhood or adolescence.
Such patients might be able to read 20 20 size letters but would be legally blind because of the small visual field.
