Cataracts

GettyImages-94024870 Cataracts

Cataracts are a leading cause of blindness among older adults

  • Yet young people and even newborns can get cataracts
  • The good news is that doctors can treat cataracts. Surgery restores sight in more than 95% of cases treated
WHAT ARE CATARACTS?
  • A cataract is a clouding of the eye’s lens
  • Normally the lens is clear, it focuses light onto the retina at the back of the eye which sends images to the brain
  • A cataract blocks light needed for sight
  • Your vision may become blurry or dim because light can’t pass properly through the lens to the retina
  • A cataract is not contagious
ARE THERE ANY RISK FACTORS FOR CATARACTS?
  • The exact cause of cataracts is unknown, most often it is a part of getting older
  • These factors may also play a role:
  • Intense heat or long-term exposure to UV rays from the sun
  • Certain diseases, such as diabetes
  • Inflammation in the eye
  • Hereditary influences
  • Events before birth, such as German measles in the mother
  • Long-term steroid use
  • Eye injuries
  • Eye diseases
  • Smoking
HOW CAN I TELL IF I HAVE A CATARACT?
  • Cataract generally does not cause pain, redness or tears. However, these changes in your vision may be signs of cataract:
  • Blurred vision, double vision, ghost images, the sense of a film over the eyes
  • Lights seem too dim for reading or close-up work, or you are dazzled by strong light
  • Changing eyeglass prescriptions often, but the change may not seem to help your vision
  • You may sometimes notice the cataract in eye. It may look like a milky or yellowish spot in the pupil (the center of your eye is normally black)
  • Problems seeing become more noticeable as cataracts develop
  • A cataract may develop quickly over months or slowly over years
  • Many people reach the point where surgery is necessary
TREATMENTS

Laser Therapy

  • Surgery is the only treatment, cataracts cannot be treated with medicines
  • Eye drops or other drugs will not dissolve a cataract or slow it progress
  • It is a delicate operation, yet it is one of the safest operations done today
  • More than 95% of surgeries are successful
  • Most people need surgery when the cataract causes enough vision loss to interfere with work, play or other day-to-day tasks

Vitrectomy

  • Doctor uses a small suction tool to take out the vitreous jelly of the eye
  • This operation removes blood and scar tissue in the vitreous as well
  • Fluid is used to replace the vitreous
HOW CATARACT SURGERY RESTORE SIGHT?
  • Doctor uses a small suction tool to take out the vitreous jelly of the eye
  • This operation removes blood and scar tissue in the vitreous as well
  • Fluid is used to replace the vitreous

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