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What is Cataract? Its Symptoms, Causes and Treatment

22 January, 2021 Arindam Chakraborty

Cataract is a medical condition when the lens of your eye becomes cloudy due to proteins in it breaks down. One or both eye can have a cataract leading to vision becoming blurry, hazy or less colorful. This article details about Meaning of Cataract? Symptoms, and causes along with treatment for your improved vision.

Sight is a beautiful gift bestowed upon a person that makes the life of an individual colourful and vibrant. People who can see can enjoy the beautiful landscapes and sceneries, whether it is the oceans or the mountains, or the dense rainforests.

Not only for pleasure but also sight is required to do most of the everyday stuff which is often taken for granted. The loss of vision makes even the simplest of tasks difficult.

With age, a person starts exhausting its bodily capacities and loses much functionality. Vision is the primary function that a person starts exhausting the most earliest due to one of many disorders related to eye. One such disorder is the cataract.

What is Cataract?

Cataract is a condition in which the lens in the eyes gets cloudy reducing the vision capacity of a person. Although medications can helps in slowing the progression of the disease, a person has to undergo cataract surgery to retain certain degree of vision. The percentage of vision return depends on the individual’s constitution and health status.

Cataract in eyes, one or both starts when certain proteins form clumps in eye lense preventing it from sending clear light signals to the retina, which works by converting the light signals to electrical signals for the brain to assess and interpret an image. Eventually, this deficit leads to the formation of cataract in the lens that impedes the vision quality in a person.

Although treatment of cataract is readily available, people still lose their eyesight to this disorder chiefly due lack of awareness on the subject, insurance coverage, cost of treatment, and so on. Millions of people lose their eyesight due this condition every year all around the world.

What are Symptoms of Cataract?

Symptoms of cataract eye disorder may include:

  • Difficulty in reading small letters and text.
  • Blurry vision
  • Difficulty or inability in seeing objects at night
  • Almost exclusive requirement of bright light for reading any text.
  • experiencing halos
  • Double vision in one or both eyes
  • Fading or yellowing of colours

Cataract is a progressive disease and the initial symptoms may go unnoticed as the cloudiness may be minimal, which does not impair normal vision. However, with time as the cloudiness in the lenses progresses, vision becomes more distorted leading to more visible symptoms that are much more easier to identify.

What are the Causes of Cataract?

Age is a big factor in the development of cataract as the condition is most of the times reported in senior patients. However, injuries eyes, especially the lenses, may also lead to the formation of cataracts.

Cataract may also be caused by genetic predisposition in case the patient has a family history of cataract with some of their family members suffering from the condition.

Cataract may also be caused by other underlying conditions such as diabetes or cardiovascular disorders. Also, accidents and long-term usage of certain drugs may lead to the formation of cataracts.

How can Cataract be Diagnosed?

For diagnosing cataract, the consulting eye physician may interview the patient to inquire about their family medical history. The consulting physician may also recommend the following test for diagnosing the exact cause of cataract progression. These tests include:

1) Visual acuity test
2) Slit-lamp examination
3) Retinal scanning

Cataract Treatment

Cataract disorder is progressive in nature; however, the rate of progression may depend on the individuals constitution and health status. Initial symptoms of cataract can be countered by providing oral medications, medicated eye drops, and corrective spectacles. However, surgical intervention is the long-term solution for cataract. The vision retention post surgery again depends on the individual's health status.

The rate of progression of cataract may vary from person to person. Initial symptoms may be countered by over-the-counter drugs and medicated eye drops; however, for a long-term solution, surgical intervention is required.


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