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Cataract occurs when there is denaturation of proteins in the lens that makes it cloudy; that prevents light from passing clearly through the lens, causing some loss of vision. Since, new lens cells form on the outside of the lens, all the older cells are compacted into the center of the lens resulting into cataract. The lens in our eye is normally transparent and focuses light on the Retina. In ‘Cataract’ or ‘Safed Motia’ as it’s commonly called the lens becomes opaque or hazy. It can happen in any age and is commonly seen in the elderly.
There are options in cataract treatment in South Delhi that consist of eyeglasses and contacts which can help you see better in the initial stages of your condition, however, as time goes by you the only way to hone your vision will be to get surgical treatment done. If you need treatment to address cataract you have to schedule an appointment at i Care Centre in south Delhi.
Our eye is just like a camera. The lens focuses the light rays entering through the pupil onto the retina or back side of the eye. The diverse parts of the retina collect this light and send a message to our brain then we can see. For impeccable vision, the lens should be clear so that light can move across it and reach the retina. When the lens becomes cloudy or impervious, light cannot pass through it and vision becomes vague or blurry. A hazy lens is called cataract. The cataract occurs when there is denaturation of proteins in the lens that makes it hazy; that avoids light from passing clearly through the lens, initiating some loss of vision. Since new lens cells form on the outside of the lens, all the older cells are compressed into the center of the lens occasioning into the cataract. The lens in our eye is generally transparent and focuses light on the retina. In ‘Cataract’ or ‘Safed Motia’ as it is universally called the lens becomes opaque or cloudy. It can happen at any age and is usually seen in the elderly.
Signs of cataracts
Cataracts form gradually, so lots of patients don’t realize they even have them until the situation becomes severe. Some symptoms individuals might suffer from include, but are not restricted to:
- Cloudy, vague or blurred vision
- Progressive nearsightedness
- Variations in how you see color
- Double vision issues
- Seeing at night
- Suddenly requiring strong glasses or contact prescription
Generally, the procedure of cataract formation is very gentle and painless but because of some reasons the cataract formation might speed up a bit. Below are the circumstances when the cataract formation might speed up:
- As a result of diabetes
- Eye swelling or any eye injury like trauma
- Long term use of steroids
- Eye surgery for a different reason
- Radiation exposure
- Excessive exposure to sunlight (Ultraviolet Light)
- Eye diseases like uveitis
Various factors have been attributed-
- Ageing damages lens proteins
- Congenital-(by birth)
- Hereditary/ injury/ radiation
- History of steroids or any other drug intake
- Decreased vision
- Haloes around light
- Headlights appear too bright at night
- Decreased contrast
- Frequent change of glasses
CATARACT TREATMENT At i CARE CENTRE
The only treatment for cataract is surgical removal. The indication for surgery is when the vision is affected so much that it interferes with normal daily activities. One should not wait for cataract to mature fully before getting operated. Consult our eye specialists for cataract treatment.
AFTER CATARACT TREATMENT
A few years after the surgery, the layer of cells behind the artificial lens becomes opaque. The patient requires a minor laser procedure called YAG Laser Capsulotomy to correct this defect.
TYPES OF CATARACT SURGERIES
1 – Extracapsular Cataract Extraction (ECCE) / Small Incision Cataract Surgery (SICS)
2 – Phacoemulsification
3 – Microincision Cataract Surgery (MICS)
4 – Femto- Cataract Surgery
As of now Phacoemulsification is the most widely established technique of choice for cataract surgery.
Also called stitchless Cataract Surgery. In this technique, a small incision (2.2 – 2.8 mm) is made and hard core of lens is converted into soft pulp with the help of high frequency sound waves and sucked out. A foldable lens is then injected through the small incision. It is a day-care procedure. It is commonly done under topical anesthesia and no injection is required.
- Astigmatism induced is minimal or nil
- Post-operative glasses no is more promptly stabilized
- Topical anaesthesia (eye drops) can be used
- All physical and visual activities can be resumed quickly
An intra-ocular lens (IOL) implant is done during cataract surgery.
Types of Intra-ocular lens (IOL)
1 – Non Foldable
Non Foldable lenses are rarely used these days.
2 – Foldable
A – Uni Focal – Corrects for distance vision only. B – Multi Focal – Corrects for near and distance vision both. C- Toric – For patients having high cylinderical power preoperatively. D – Tri Focal – For near, intermediate and distance vision.
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