Types of AMD

The two important types of age related macularSymptoms include slightly blurred vision, unable to
degeneration are wet AMD and dry AMD. Therecognize faces, unable to do simple tasks such
forms can attack any one or both of the eyes. Aas reading in normal light and require more light.
patient diagnosed for dry AMD can later developAn early sign of dry AMD is the yellow deposits,
wet AMD.known as drusen, under the retina which can only
Wet AMD: This type of age-related macularbe recognized by an ophthalmologist during an eye
degeneration is caused by the abnormal growthexam. Increase in size and number of drusen
of blood vessels behind the retina. This happensworsens dry AMD. Thinning of the macula is
when the membrane underlying the retina breaksanother symptom.
and disrupts the oxygen supply to the macula.In the initial stages, dry AMD will go unrecognized
The new blood vessels, which are very delicate,as it can only be found by a detailed examination.
grow under the macula and often rupture easilyMost people realize dry AMD during a later stage,
leaking fluids and blood. This leaking alters thewhen they need more light to do simple
position of macula and causes scarring. Wet AMDday-to-day activities like reading. A blurred spot in
occurs suddenly resulting in the loss of centralthe center of vision is also seen by some people.
vision.It is wise to take professional advice during this
Distorted vision and straight line appearing wavystage.
are the initial symptoms of wet AMD. This is theIn the advanced stage their will be a total breakup
most severe form of AMD and immediatein vision with only peripheral vision seen clearly.
professional advice should be taken.This is mainly due to the increase in the size and
Of all age-related macular degeneration cases,number of drusen. Patients also lose color
only 10% is due to wet AMD but it causes theperception and recognizing faces becomes difficult
maximum damage and can lead to blindness. Ifin this stage. One of the major problems with dry
detected early, laser treatment can be effectiveAMD is that it impairs a single eye and since the
in stopping the leak of the blood vessels causingother eye functions smoothly the problem goes
wet AMD.unnoticed. Most people recognize the problem only
Dry AMD: Macula is made of light-sensitive cellswhen both of the eyes are affected.
and the breaking down of these cells leads to dryTaking an active role in eye protection is very
AMD. This type of age-related macularmuch necessary. While having an appointment
degeneration appears slowly and leads to thewith an ophthalmologist, clear all your doubts. The
blurring of central vision. Of the two types, dryamount of literature available on eye diseases is
AMD occurs most commonly and is also knownhuge and most of them can be downloaded from
as atrophic AMD as it is caused by the death ofthe Internet. Talk to your friends and relatives
the cells in macula.about your condition, they might offer helpful tips.