Macular degeneration

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  • 1. Macular DegenerationBy Taylor Amarel and Dan Nill
  • 2. Overview• Macular Degeneration is an eye disorder that damages the center of the retina, which is called the macula. This makes it difficult to see fine details.
  • 3. Dry Form• Characterized by the presence of yellow deposits called drusen.• Drusen grow in size and can cause blurry vision.• Serve cases, thinning of the light sensitive layer causing atrophy and tissue death
  • 4. Wet Form• Characterized by the abnormal blood vessels from choroid underneath the macula, called chororidal neoascularization. These blood vessels leak fluid into the retina and cause vision distortion and may lead to loss of central vision or permanate blind spots
  • 5. SymptomsBlurred VisionDistorted LinesInability to read print or notice central vision
  • 6. Treatment• No cures existsVitimans such as zinc, antioxidentsDaily exams and special ointments appliedLaser therapy with limited successAnti-angiogenesis drugsLow vision aidsSurgery
  • 7. Causes• Macular degeneration is caused by damage to the area around blood vessels that supply the macula. This change in the blood vessels damages the macula
  • 8. Tests and Diagnosis• Doctors can examine your eyes – Presence of drusen, tiny yellow deposits under the retina• Look at a Amsler grid, or checker board to check for distortation• Flouresien, a procedure to where dye is injected into your arm and passes through the eye, and if there are leaks in the blood vessels doctors can pinpoint the location
  • 9. Prognosis• Most people will never loose complete eye sight, less than 10% of people who suffer from macular degeneration require extensive vision treatment.• There is no way to predict the severity of the disease
  • 10. Complications• Loss of central vision may require a change in lifestyle. You may need extra light to read, and in some cases magnification can provide improvement
  • 11. Prevention• Although there is no known way to prevent macular degeneration, some lifestyle factors include – Don’t Smoke – Eat health, high in fruits and vegetables – Exercise regularly – Maintain a healthy weigh
  • 12. Work Sited