June 08, 2019

Cataract: what you should know

Cataract is the clouding of the eye's natural lens. It is the most common cause of vision loss in people over 40 years of age and it is the principal cause of blindness in the world. Cataract occurs when protein builds up in the lens of eyes and it could affect anybody regardless of the age, the sex and race.

Types of cataract 

◾️Age related cataract : this occurs as an individual ages
◾️Congenital cataract : this occurs when a baby is born with cloudiness of the eyes. It could be caused by infection, injury or poor development in the womb and it could form during childhood.
◾️Secondary cataract : this happens as a result of other medical conditions e.g diabetes and it also could be as a result of being around toxic substances, radiation, ultraviolet light and some medications such as diuretics and corticosteroid.
◾️Traumatic cataract : It could occur after an injury to the eyes
 It could also be grouped as being sub- capsular, nuclear and cortical cataract.
Sub-capsular cataract : this forms at the back of the eyes.
◾️Nuclear cataract :this type of cataract forms deep in the central zone of the lens and it is usually associated with aging.
◾️Cortical cataract :It has a white, wedge-like opacities and it starts at the peripheral of the lens and then gets to the center in a spoke like fashion.

causes of cataract 

◾️Prolong use of corticosteriods
◾️Previous eyes surgery/ previous eyes  problems
◾️Hormone replacement therapy .
◾️Alcohol consumption .
◾️Family history.

Symptoms of cataract 

◾️Cloudy vision, blurry or foggy
◾️Short sightedness
◾️Changes in the way colours are seen.
◾️Problem driving at night
◾️Problems with glare during the day
◾️Having double vision in an affected eye.
◾️Eyes glasses or contact lenses might not be doing well when used.

Treatment of cataract 

◾️Cataract could be treated with recommended glasses or contact .
◾️Cataract surgery.

Prevention of cataract 

 Although there is no proven way to prevent cataract. But it can be prevented possibly by
◾️Getting your eyes checked regularly.
◾️Taking vitamins C.
◾️Taking diet high in vitamin E

In conclusion, cataract is the clouding of the eyes that could present with cloudy or blurry vision and it can be prevented by taking vitamins C and higher dietary  intake of vitamin E. Cataract can be corrected with recommended glasses or  cataract surgery.

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