Home / Opthamology / Cataract
When the normally clear lens in your eye becomes cloudy, a cataract develops.
Light travels through a transparent lens and is viewed by your eye. Your iris is hidden by the lens (colored part of your eye). Your brain and eye can work together to process information into a picture thanks to the lens’s ability to concentrate light.
Your eye cannot concentrate light the same way when a cataract covers the lens. This results in hazy vision or other types of visual loss (trouble seeing). Depending on where and how big the cataract is, your vision may alter.
Symptoms
Cataracts are a typical side effect of ageing of the eye. They may eventually result in:
- misty, fuzzy, hazy, or filmy vision.
- sensitivity to harsh lighting, such as headlights or bulbs.
- Driving at night with incoming headlights can cause glare, which is the phenomenon of seeing a halo around lights.
- alterations in eyewear prescriptions, such as abrupt nearsightedness.
- dual sight
- A brighter light is required to read.
- seeing poorly at night (poor night vision).
Treatment
It’s possible that all you need is a new prescription for glasses or contacts if your cataract symptoms are minor. However, cataracts typically get worse with time. Eventually, your doctor will probably advise having the cataract surgically removed.
The clouded lens is removed during cataract surgery and is replaced with an implanted prosthetic lens. The new lens is transparent, custom-made to meet your vision demands, and contoured to match your eye.
Removing a cataract takes roughly an hour. With local anaesthetic, it is performed (medication to numb a specific area). To numb your eye, your doctor will either eye drops or a shot. While you’ll be awake, the process won’t be felt or visible to you.
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