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Most Common Ocular Conditions. Diabetic Retinopathy. What is Diabetic Retinopathy?. Damage to the retina which is caused by diabetes which can lead to blindness. Prevalence…. Affects up to 80% of the people who have had diabetes for more than 10 years. How the disease progresses … .

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most common ocular conditions

Most Common Ocular Conditions

Diabetic Retinopathy

what is diabetic retinopathy
What is Diabetic Retinopathy?
  • Damage to the retina which is caused by diabetes which can lead to blindness.
prevalence
Prevalence…
  • Affects up to 80% of the people who have had diabetes for more than 10 years.
how the disease progresses
How the disease progresses …
  • Shows no early warning signs.
  • The retina begins to swell causing blurred vision.
  • At this stage, vision may get better or worse throughout the day.
as the disease progresses
As the disease progresses…
  • New blood vessels begin to form on the retina.
  • These vessels are unhealthy and weak.
  • Eventually, they begin to bleed into the retina
  • The bleeding may not be very severe, leaving only a few small spots in front of the retina and may even go away after a few hours.
severe stage
Severe stage…
  • After the vessels rupture, they will continue to leak blood into the retina and into the vitreous.
  • Vision deteriorates as the refraction of the vitreous is impaired and as the retina is damaged.
  • People with diabetic retinopathy often say that their vision has “turned red” which is an indicator that blood has infused the vitreous.
  • Once there is so much bleeding, vision may be almost completely obscured.
in the final stages
In the final stages...
  • Large opacities develop in the visual field where major hemorrhages have occurred, and
  • The overall visual field is blurred.
eventually
Eventually …
  • The retina begins to detach around the scarring.
  • When the retina detaches completely, total blindness results.
treatment the best treatment is prevention
Treatment…the best treatment is prevention
  • Tight control of blood sugar (glucose),
  • Blood pressure, and
  • Cholesterol
  • Stopping smoking
once the progression has begun
Once the progression has begun…
  • Nothing can undo the damage already done.
  • Further progression may be slowed or stopped by using
  • Laser surgery
  • Cyrotherapy – Freezing part of the retina that is bleeding, split or swollen.