Glaucoma is an eye condition in which the optic nerve is damaged, causing vision loss. The optic nerve is located at the back of the eye and transmits the images we see to the brain for interpretation. Glaucoma results in progressive damage to the optic nerve, which almost always begins with a subtle loss of peripheral (side) vision.
Nystagmus is an uncontrolled and involuntary movement of the eyes. The movement is often side to side (horizontal) but it can also be up and down (vertical) or circular (rotary). The movement can vary between slow and fast and almost always involves both eyes.
Blindness is the state of being sightless. A blind individual is unable to see. Some may have a limited ability to see objects using special aids or may be able to perceive light or a light source. All people who are blind experience sightlessness to various degrees. Blindness can be the result of a variety of causes.
Retinitis Pigmentosa is a group of genetic eye conditions causing progressive degeneration of the retina, the light sensitive layer of tissue lining the back of the eye. The light receptors of the retina are called rods and cones. As a result of Retinitis Pigmentosa the rods, and in a later stage the cones, slowly die, causing reduced vision.
Ocular tumors are tumors inside the eye. They do not occur frequently, but when they do, they will often grow on the colored part of the eye, called the iris, or in the back of the eye. Left untreated, ocular tumors can not only threaten your vision, but also your life.
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Macular Degeneration is a medical condition often associated with aging that results in a loss of vision in the centre of your visual field. Stargardt Disease is the most common form of inherited juvenile macular degeneration. Central vision helps us to see objects clearly and perform tasks such as reading and driving.
A cataract is a clouding of the eye’s natural lens. Our eyes’ lens is mainly made up of water and protein. The proteins are arranged in such a way that the lens stays clean and light is able to pass through. As we grow older, some of these proteins may clump together and start to cloud a small area of the lens. This is a cataract.
Low vision is a visual impairment that cannot be fully corrected with regular eyeglasses, contact lenses, medication or surgery. Despite all conventional treatment, vision remains blurred or distorted, and it interferes with the ability to perform every day activities such as reading, writing, and shopping. Millions of Americans lose some of their vision every year due to a variety of eye conditions such as Diabetic Retinopathy, Glaucoma, Macular Degeneration or Retinitis Pigmentosa. If you are among the growing number of people living with low vision, you can still live independently with the help of low vision aids. C TECH, a leading distributor of products for the blind and visually impaired, can help you to overcome some of those difficulties.
Diabetic Retinopathy is a complication brought on by diabetes where the retina, the light sensitive tissue that lines the inner surface of the eye, is damaged. Diabetes causes abnormal changes in the body’s blood sugar levels. High levels of blood sugar can alter the blood flow to the body’s organs, including the eyes.
Strabismus is an eye condition in which the eyes are not aligned properly and point in different directions. One eye may look straight ahead, while the other may turn inward, outward, downward or upward. The manner in which the eye turns may be consistent or it may vary. Which eye is straight and which eye turns may also differ.