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Signs and Symptoms of Cataracts

Cataracts are a major cause of blindness and overall vision loss, but having cataracts can vary depending what type of cataracts you have. Three of the most common include Nuclear Sclerotic, Cortical Cataracts, Posteriors Subcapsular, and Degeneration of the retina. While some people think of a "film" over the cornea with the presence of cataracts having any type visible coating is unusual. At Harrel Eyecare in Tulsa, Oklahoma our optometrist is trained to recognize various types of cataracts and have the skills necessary to help limit the damage to your eyes.

Types of Cataracts

Nuclear Sclerotic Cataracts

Nuclear Sclerotic cataracts involve clouding of the central part of the eye's lens due to hardening of the lens' nucleus. These types of cataracts are most common for older people.

Cortical Cataracts

Cortical Cataracts are cloudy areas on the lens cortex along the outside edge of the lens. This type of cataracts develops because of water content shifts in the lens fibers. When this happens,  clefts form like spokes extending from the outside edge to the center of the eye. Light scatters creating vision obstacles from glare, poor contrast, and depth perception. This is a common type of cataracts in people with diabetes.

Posterior Subcapsular Cataracts

Posterior Subcapsular Cataracts start with a small cloudy area on the back surface of the lens. Those who find they are seeing halos with the presence of light are often diagnosed with this type of cataracts. People are most likely to develop these types of cataracts if they have a history of using steroids, are diabetic,  are very nearsighted nearsightedness, or have a type of retina deterioration which is signified by the gradual worsening of the retina's function, such as detached retinas or diabetic retinopathy.

The retina is sensitive to light and is located on the inside surface of the eye. It is responsible for carrying messages between your eyes and optic nerve.

Causes of Cataracts

The most common reason why people develop cataracts is simply that they are getting older and the lens loses its elasticity. The National Eye Institute reports that well over a third of adults over 74 years old have developed cataracts that are serious enough to impact their vision.
Besides age, cataracts may be caused by some medications, an actual eye injury, nutrition problems, smoking, diabetes, or may be inherited or present from birth.

Signs and Symptoms of Cataracts

It is not always easy to tell when you might have cataracts, in many cases actual symptoms are subtle of non-existent at first, but are frequently discovered through the course of a comprehensive eye exam. Some of the signs that you may notice include

  • Clouded or dimmed vision
  • Increasingly poor night vision
  • Increased sensitivity to light and glare
  • Appearance of halos on lights
  • Double vision in one eye
  • Decrease in color vividness
  • Yellowing or fading colors

Contact Our Local Optometrist for an Eye Exam

If you are noticing some inconsistency to your vision, or if it has been a while since your last eye exam contact Harrel Eyecare in Tulsa, Oklahoma at (918) 745-9662 to schedule an appointment

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