Macular Degeneration

Macular degeneration is the most common cause of permanent visual impairment in the world.  It is also referred to as age-related macular degeneration (AMD or AMRD).  AMD is a medical condition that results in the loss of vision in the center of the visual field because of damage to the retina.  It generally occurs in adults (50+) simply due to the aging of the eye.

There are two types of AMD.


minneapolis, st. paul macular degeneration, eye care, eye examDry AMD refers to the breakdown or thinning of the macula, the central part of the retina critical to vision.  This breakdown is often referred to as atrophy.  For this reason, dry AMD is also referred to as atrophic AMD.

Dry AMD symptoms include reduced color perception or gradually reduced central vision, as shown in the image.

Dry AMD occurs in 90% of those with  AMD.


The remaining 10% of people with AMD have wet AMD.  In this type, the membrane under the retina thickens and then breaks.  The oxygen supply to the macula is disrupted and the body responds by growing new, abnormal blood vessels.

The damage from wet AMD results in rapid central vision loss.  Once vision is destroyed in this way, it cannot be restored.  However, Claris Eye Care & Surgery has the latest technology and procedures to detect AMD.  Read about the treatment options related to AMD.

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