CATARACT SCREENING AND SURGERY

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With the advent of OCT, we can examine the retina, particularly the macula, in high resolution before cataract surgery. This is important because the cataract may not be the sole cause of visual impairment, and patients need to have appropriate expectations set before cataract surgery.

OCT makes it easy to identify subtle macular changes that may not be apparent when the fundus is examined clinically. Using the principle of optical interferometry, these devices acquire sharp, high-resolution views of the retina even when there is dense media opacity.

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TREATMENT OF DIABETIC EYE DISEASE

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Diabetic retinopathy is best diagnosed with a comprehensive dilated eye exam. For this exam, drops placed in your eyes widen (dilate) your pupils to allow your doctor to better view inside your eyes. The drops may cause your close vision to blur until they wear off, several hours later.

During the exam, your eye doctor will look for:

  • Abnormal blood vessels
  • Swelling, blood or fatty deposits in the retina
  • Growth of new blood vessels and scar tissue
  • Bleeding in the clear, jelly-like substance that fills the center of the eye (vitreous)
  • Retinal detachment
  • Abnormalities in your optic nerve

In addition, your eye doctor may:

  • Test your vision
  • Measure your eye pressure to test for glaucoma
  • Look for evidence of cataracts

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DIABETIC EYE SCREENING

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Diabetic eye screening is a key part of diabetes care. People with diabetes are at risk of damage from diabetic retinopathy, a condition that can lead to sight loss if it’s not treated.

Diabetic retinopathy is one of the most common causes of sight loss among people of working age.

It occurs when diabetes affects small blood vessels, damaging the part of the eye called the retina. When the blood vessels in the central area of the retina (the macula) are affected, it’s known as diabetic maculopathy.

People with diabetes should also see their optician every two years for a regular eye test. Diabetic eye screening is specifically for diabetic retinopathy and can’t be relied upon for other conditions.

Screening is a way of detecting the condition early before you notice any changes to your vision. Diabetic retinopathy doesn’t usually cause any noticeable symptoms in the early stages.

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