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CATARACT: OPACIFY LENS

 


CATARACT: OPACIFY LENS

Hello my lovely intellectual readers hope all are fine, thanks for giving your

precious time. This picture is little bit confusing you  but yes it has relevance with the today’s topic.

Cataract word derived from latin word “Cataracta” which means water fall as cataract manifested by opacification of lens eye that appear as seeing through running water.

It is due to deposition of proteinous matter on lens. Lens of eye, function of which is quite similar to the lens of a camera, it is biconvex transparent structure that refracts light and we are quite aware if lens of camera is not clear we can’t have clear images same concept applies here. Cataract leads to opacity of transparent lens and make the vision problematic and further leads to complete blindness. It may be unilateral or bilateral either affecting one eye or both eyes.

It is one of the major cause of blindness all over the world According to WHO NPCB (National Programme for Control of Blindness approximately 80% of cases of blindness in India are due to cataract.
Major Types of Cataract:

  • 1.Nuclear cataract which forms in the middle of lens and leads to yellowish or brownish centre.
  • 2.Cortical Cataract:Wedge shaped opacity in the cortex that is the periphery of the lens.
  • 3.Congenital cataract refers to opacity of lens present at the time of birth or since birth.
  • 4.Subcapsular posterior cataract which begin in the posterior region and called subcapsular as lies beneath the eye.
  • 5.Secondary Cataract It occurs due to secondary effect of drugs, disease and trauma. Medicines of corticosteroid group are highly responsible for occurrence of cataract.

Signs sand symptoms:

1.   • Clouding and blurred vision

2.   • Sensitivity to light and glare

3.   • Halos around light

4.   • Need of more light for reading and other activities

5.   • Difficulty to see in dim light or night vision

6.   • Double vision in single eye

Factors which may aggravate the progression of cataract:

1.Smoking

2.Long exposure to sun light (UV radiation)

3.Steroids intake for long duration.

4.Diabetes mellitus.

 Treatment and Management.

In most of the cases treatment in cataract is preventive like use of antioxidants, Vitamin C can slow down the progression. Few ayurvedic formulations do claim to treat but actually they slow down the process. Patanjali  eyedrop is really benefitting people which I personally observed.

In chronic or severe cases cataract removal surgery is the last resort along with lens transplant.

Take home message is If there is sudden change in vision or problem in reading its time to consult the ophthalmologist. Treatment of cataract may be surgery or medicines depending on the stage of cataract so better to visit the eye expert as soon as you feel the trouble in vision.

Deepti M Sati

 

Pic attributed: Image by <a href="https://pixabay.com/users/meipakk-9230808/?utm_source=linkattribution&amp;utm_medium=referral&amp;utm_campaign=image&amp;utm_content=5008564">meipakk</a> from <a href="https://pixabay.com/?utm_source=link-attribution&amp;utm_medium=referral&amp;utm_campaign=image&amp;utm_content=5008564">Pixabay</a>

 

 

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