Category: Retinal Vein Occlusion

Macular Edema: A Complete Overview by Natural Eye Care

macular edema in the elderlyMacular edema is a swelling of the macula, the part of the eye responsible for central vision. When fluid builds up in the macula, it becomes swollen and thicker. This distorts vision. There are several causes, including diabetic retinopathy, post-eye surgery complications, macular degeneration, injury, systemic inflammatory diseases that can affect the eye, and/or vein blockages. If an eye disease causes damage to blood vessels in the retina, it can cause macular edema. Left untreated, this problem can cause serious vision loss and even blindness.

An eye doctor will direct your care should macular Continue reading “Macular Edema: A Complete Overview by Natural Eye Care”

Retinal Vein Occlusion: A Complete Overview from Natural Eye Care

retinal vein occlusionRetinal Vein Occlusion is the blockage of veins that drain blood from the retina in the eye. The eye circulatory system depends on releasing blood back to the heart after it has nourished the retina. When the vein is blocked, hemorrhaging occurs, damaging the retina. It is typically caused by atherosclerosis, a common condition especially in older people that damages the arteries. “Occlusion” means the blockage or closing of a blood vessel.

Symptoms and How Retinal Vein Occlusion Is Diagnosed

A sudden change in vision may indicate retinal vein occlusion.

  • A blurred or missing area of vision is the most common, indicating a branch vein occlusion
  • Less commonly, there is a severe loss of central vision, associated with a central vein becoming blocked.

Any sudden vision changes should be reported Continue reading “Retinal Vein Occlusion: A Complete Overview from Natural Eye Care”

Obstructive Sleep Apnea (OSA) and Eye Disease Including Glaucoma

obstructive sleep apnea OSA requires proper diagnosis and management. This ailment often goes untreated, despite being recognized nearly 50 years ago.

With a 9% incidence rate among the female Caucasian population of the United States and 24% in the male Caucasian population, more than 80% of those affected by OSA are believed to be undiagnosed, or untreated even if they are.

So what does obstructive sleep apnea have to do with proper eye care? Continue reading “Obstructive Sleep Apnea (OSA) and Eye Disease Including Glaucoma”

Breakthrough: Microchip Implant Restores Partial Sight

For the first time, scientists have restored the ability of previously blind patients to recognize letters, fruit and other items using light-sensitive microchips implanted in the inner surface of the eye.

For the first time, scientists have restored the ability of previously blind patients to recognize letters, fruit and other items using light-sensitive microchips implanted in the inner surface of the eye.

The microchip is only approximately 3 millimeters by 3 millimeters in size, but is loaded with 1,500 light detectors that send a grid of electrical impulses through a patient’s nerves to generate a 1,500-pixel image. The device is implanted under the retina, the inner lining of the eye unlike other implants that sit outside the retina and require users to wear an external camera. Since the chip requires a sharp image, the patients wear reading glasses.

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In a paper published in The Procedings of the Royal Society B researchers describe how three patients suffering from hereditary retinal dystrophy regained the ability to identify objects and people and even read words printed in large letters.  The technology involves that natural projection of images through the eye’s lens onto a chip placed under the transparent retina.

Source: http://rspb.royalsocietypublishing.org/content/early/2010/11/01/rspb.2010.1747.abstract