Macular Degeneration And JMD

The macula is the central section of the retina. Thecases, even though they are related by blood. Some
retina is a part of the eye that contains thepatients experience severe deterioration in the
photosensitive cells that are responsible in sendingcentral vision, others don't.Doyne's Honeycomb
visual messages to the brain. The brain thenRetinal Dystrophy- This condition is known to have
interprets these electrical messages. The densestthe same symptoms to that of the Adult Macular
area of concentration of these photosensitive cells isDegeneration that normally arise by patients
located at the macula. The macular degeneration issecond-half of life.Sorsby's Fundus Dystrophy- With
impairment or loss of function of the macular zonethis type of JMD, symptoms are normally obvious
that results to weakening and eventual death of theduring middle aged persons which includes
vital central vision. Thus the extensive developmentneovascularization.Stargardt's Disease- Is known to
of blind spots.Central vision is impaired while peripheralbe the most common form of JMD. Symptoms
vision remains the same in macular degeneration.associated with this type like scarring of the macula
Symptoms are only obvious when the case is alreadyand visual acuity normally occur during childhood until
advanced. This is because the brain adapts to thethe teenage years. Another variant of this type is
blind spots and fills in the details as it interprets thethe fundus flavimaculatus that develops during early
electrical messages sent to visual centers.Most casesadulthood.Causes of macular degeneration are usually
of appear in individuals aged 60 and above. This formassociated with the gene deficiency. Yet the root
of the disease is termed as AMD or Age-Relatedcause is yet to be determined. The dry form is
Macular Degeneration.But contrary to what is originallyconsidered to be the result of the thinning and aging
known, macular degeneration also affects infants andof the macular tissues and the deposition of the
children. This is caused by genetical factors,pigment in the macula. It may also be the cause of
specifically gene mutation. This condition is called asboth actions. In the wet form however, the primary
Juvenile Macular Degeneration or JMD.JMD is furthercause may be the neovascularization or growth of
subdivided into the following classifications:Autosomalnew blood vessels underneath the retina and leak of
Dominant Hemorrhagic Macular Dystrophy- Thisfluid and blood. Leakage in return will "kill" the retinal
disorder normally resembles the Sorsby's Funduscells that eventually create blind spots at the central
Dystrophy, except for the mutation of the genevision.Current studies concerning the macular
TIMP-3.Best's Vitelliform Macular Dystrophy- Thisdegeneration are generally concerned on the effects
condition ranks second after the Stargardt's diseaseof the faulty genes to vision. Macular degeneration is
and is normally a mild form of the macularrelatively new and there are many areas of studies
degeneration. It is characterized with the egg yolkthat are yet to be researched and determined. This is
symptom that creates a drusen spot in the macula.the reason why there are still no concrete methods
This egg yolk spot will then break up, thus the termof diagnosing the existence of the disease and the
scrambled egg drusen. The degree of impairment onprocess of treatment.Robert Thatcher is a freelance
the central vision differs largely among differentpublisher based in Cupertino, California.