Frequent question: What is nuclear sclerosis cataract?

Nuclear sclerotic cataracts are most common. This form of cataract begins in the middle of the eye and hardens the eye lens. As these cataracts progress, the lens becomes cloudy and may appear yellow or brown. Distance vision is the first thing to go.

Can nuclear sclerosis be cured?

The condition is differentiated from a cataract by its appearance and by shining a penlight into the eye. With nuclear sclerosis, a reflection from the tapetum will be seen, while a cataract will block reflection. There is no treatment for this condition currently.

What is nuclear sclerosis in the eye?

Nuclear sclerosis refers to cloudiness, hardening, and yellowing of the central region of the lens in the eye called the nucleus. Nuclear sclerosis is very common in humans. It can also occur in dogs, cats, and horses. It usually develops in older people . These changes are part of the aging process of the eye.

What causes a nuclear cataract?

What causes nuclear cataract? Proteins in your eye’s lens keep it clear and let light pass through, allowing you to see clearly. As you get older, the proteins begin to break down. The proteins then clump together in the lens, causing cloudy spots.

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How can you tell the difference between nuclear sclerosis and cataracts?

When nuclear sclerosis is present without cataracts, the full fundic reflection is visible, and the outline of the lens nucleus may be apparent. When cataracts are present, reflected light is obstructed to varying degrees. Incipient and immature cataracts appear brown or black against the tapetal reflection.

Is nuclear sclerosis painful?

This density is called lenticular or nuclear sclerosis. Lenticular sclerosis is a product of aging and usually begins to appear in middle-aged to senior dogs. The condition is painless and does not lead to blindness.

What is an age related nuclear cataract?

Nuclear cataracts are a clouding and hardening of the lens center, resulting in blur, glare and other changes in vision. They are the most common type of cataract. In a study of people aged 75 years and older, the occurrence of nuclear cataract in at least one eye was 40%.

Is nuclear sclerosis Glaucoma?

Glaucoma. Be aware that nuclear sclerosis may give the false impression of preserved neuroretinal tissue at the optic disc. Patients with a past history of angle closure glaucoma are likely to have a shallow AC and may get postoperative corneal decompensation.

What will happen if cataract is left untreated?

Over time, cataracts become worse and start to interfere with vision. Important skills can be affected, such as driving, and loss of vision can affect the overall quality of life in many ways including reading, working, hobbies and sports. If left untreated, cataracts will eventually cause total blindness.

What are the 5 types of cataract?

There are 5 main types of cataracts.

  • Age-related cataract. As you age, a cataract can develop because of natural changes in the lens of your eye. …
  • Traumatic cataract. Serious eye injuries can damage your lens and cause a cataract. …
  • Radiation cataract. Certain types of radiation can cause cataracts. …
  • Pediatric cataract.
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How fast do nuclear cataracts grow?

Exposure to high levels of radiation can result in clouded vision in as little as two years. Exposure to lower levels of radiation can take over a decade to affect vision.

What causes nuclear sclerosis?

Nuclear sclerosis is caused by proteins in your lens that naturally break down over time. They clump together, in this case, causing hardening that impedes light from passing through the center of the lens to the retina. The retina processes light and transfers signals that allow your brain to register images.

What does nuclear cataract look like?

An excessive amount of yellowing and light scattering affecting the centre of the lens is called nuclear cataract. The nuclear sclerosis is when the nucleus, i.e. the center of the eye, begins to get cloudy, yellow, and hardens.

What are the symptoms of cataracts and glaucoma?


  • Clouded, blurred or dim vision.
  • Increasing difficulty with vision at night.
  • Sensitivity to light and glare.
  • Need for brighter light for reading and other activities.
  • Seeing “halos” around lights.
  • Frequent changes in eyeglass or contact lens prescription.
  • Fading or yellowing of colors.
  • Double vision in a single eye.

How is lenticular sclerosis treated?

There is no specific treatment for lenticular sclerosis, nor is treatment necessary. Dogs diagnosed with lenticular sclerosis should be evaluated regularly to monitor for the development of cataracts.