Cataract

A cataract is the clouding of the eye's natural lens, which is normally clear, causing progressively blurred, hazy, or dim vision as light entering the eye is scattered rather than focused sharply onto the retina. It is most commonly an age-related degenerative change in the structural proteins of the lens, though it can also result from eye injury, certain medications, or be present from birth in rare cases. Cataracts typically develop slowly over years, so many people do not notice significant vision changes until the clouding becomes advanced. It remains one of the leading causes of reversible vision loss worldwide and is highly treatable with modern surgical techniques.

The most common symptoms include: blurry or cloudy vision; increased sensitivity to glare especially from headlights at night; faded or yellowed color perception; difficulty seeing well in low light. Early recognition is key to prompt diagnosis and effective treatment.

No, Cataract is not contagious. It cannot spread through casual contact. However, certain risk factors and genetic predispositions may increase susceptibility.

Treatment options include: In early stages; updated eyeglass prescriptions and brighter lighting can help manage symptoms without surgery. Once the cataract significantly impairs daily activities such as driving or reading; surgical removal of the clouded lens and replacement with an artificial intraocular lens through phacoemulsification is the definitive treatment and is one of the most commonly performed and successful surgeries worldwide. No medication or eye drop has been proven to reverse or meaningfully slow cataract progression once it has started.. Treatment should always be guided by a qualified Ophthalmology specialist. Do not self-medicate.

While Cataract cannot always be fully prevented, several measures can reduce risk: regular eye examinations to catch changes early; wearing UV-protective sunglasses outdoors; quitting smoking.

Consult a Ophthalmology specialist if symptoms persist for more than a few days, worsen despite home care, or significantly affect your daily activities. Early diagnosis leads to better outcomes.