What Is Cataract?
A cataract is an age-related problem that involves the lens of the eye. In this condition the lens of the eye becomes cloudy and the patient feels that they are looking from a cloudy and blurry piece of glass. The cloudy vision caused by cataract causes difficulty in reading and driving especially at night or dark light.
In most cases, cataract develops slowly and do not cause any symptoms. The disease is progressive and with time it worsens and causes blurry and cloudy vision. Initially, the cloudy vision can be countered with the use of glasses and contact lenses. However, these are not permanent treatments for this condition. As the condition progresses, these methods fail to deliver the visual acuity and the patient is left only with the option of cataract surgery.
How Is Cataract Surgery Performed?
Cataract surgery is done to replace the cloudy cataract lens with an artificial lens. A widely used advanced surgery to treat the cataract is known as phacoemulsification.
At the start of surgery, the surgeon injects anesthetic solution around eyes or administer numbing eye drops in the eye.
After this process, the surgeon makes an incision on cornea. The size of the incision is between 1.8mm to 2.75mm.
The surgeon then inserts a small ultrasonic device in the eye to destroy cloudy cataract lens in small pieces.
The tool which is inserted in the eye causes vibration to chop the lens and fragments of the lens completely mixes in the lens material.
The lens material istaken out of the eye through the probe tip
After removing the lens material, the surgeon will insert a hollow tube to implant the intraocular lens into the lens’ natural capsule
Once the lens is placed in the eyes, it unfolds and takes an actual position in the eyes.
In most cases, the incision does not require any type of stitching
This surgery is commonly performed as an outpatient because this surgery gets completed in about 30 minutes and patients do not require staying in a hospital.
To minimize side effects and obtain the desired level of vision after cataract surgery, the patient should opt for the best doctor performing cataract surgery in India.
What Are The Various Types Of Lenses Used To Treat Cataracts?
Monofocal lens: It is the most common type of cataract lens. The main advantage of this lens is that it is available in different focusing distance such as far distance, near distance and intermediate distance. The patient can choose the lens with the right distance to increase comfort. Light cannot be focused simultaneously from both and near objects on the cornea with this type of lens. When light enters inside the eye, going through monofocal lens present in its path, it forms a single focal point on the retina.
Toric intraocular lens: The toric intraocular lens is decent for the treatment of cataract and also improves astigmatism in patients. Toric intraocular lens increases the rotational stability of eye
Multifocal intraocular lens: Multifocal lens is suitable for those patients who want to achieve a correct vision at all distance. The multifocal intraocular lens is generally used in patients suffering from presbyopia. Implantation of this lens decreases the need for wearing glasses during reading and while working on a computer.
Aspheric intraocular lens: This type of lens is used to improve image quality. The aspheric lens improves the minor optical imperfection which may be occurred due to higher-order abrasion. In this condition, the quality of vision is continuously reduced especially in dim light. This lens is useful for those people who drive at night.
Accommodating intraocular lens: Accommodating intraocular lens does work like a mono-focal lens. To overcome the impact on accommodation after cataract surgery, accommodating intraocular lens generally used.
What Are The Precautions After Cataract Surgery?
Post-operative eye drops: Post-operative eye drops may consist of antibiotics, NSAIDs, and steroidal drugs. The post-operative eye drops protect the eye from any type of infection and reduce inflammation. The risk of infection is significantly increased after cataract surgery. Thus, the patient should strictly adhere to the prescription.
Eyeshield: Use eye shields during sleeping to protect your eyes. You can use dark glasses at day time. Wash your eye shield and eyeglasses every day and dry them after every wash.
Washing the face: Wash your eyes according to the instruction given by your surgeon. Skip splashing water in eyes during the healing process.
Physical activities: Avoid physical activities for 4-6 weeks after surgery. Physical activities to be avoided are walking, watching TV for a prolonged period, too much talking, jogging, swimming, playing sports, cooking and gardening.
Makeup: Do not apply eye makeup such as eyeliner, mascara, etc. at least four weeks after cataract surgery.
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How Do I Decide Whether To Have A Cataract Surgery?
How Do I Choose Whether I Should Get a Cataract Surgery?
Tell your Doctor how your cataract affects your vision & your life. You and your Doctor can decide accordingly.
I do not see well enough to do my best at work
I do not see well enough to do things I need to do at home.
I do not see well enough to do things I like to do. (E.g. T.V. sw, play cards, go out with friends.)
I am afraid I will bump into something or fall.
I am not as independent as I was earlier.
My glasses do not help me see clearly.
Driving is a problem at night and there is too much glare from headlights.
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For More Information www.cataractindia.in or www.ojaseyehospital.com
Cataract surgery in Mumbai | Cataract treatment in Mumbai, India - Ojaseyehospital
Like a camera, the eye sees when light enters it. Inside your eye is a natural clear lens, much like the lens of a camera. It focuses the light rays coming through the pupil onto the retina at the back of the eye. The different parts of the retina collect this light and send a message to your brain, enabling you to see.
For perfect vision the lens should be clear so that light can pass through it. Light enters through the cornea, passes through your natural lens and is focused onto your retina, resulting in clear vision
When the lens becomes cloudy or opaque, light cannot pass through it. Cataract scatters the light rays passing through the eye, thus resulting in blurred vision. A cataract is a condition when the natural lens inside your eyes gets cloudy. Compared to vision with a clear lens, your vision with a cataract may look fuzzy, colors might be muted, and you may experience difficulty in reading signs while driving at night. The symptoms of cataracts are progressive and cannot be corrected with glasses or contacts. When symptoms become bothersome or limit your daily activities, it’s time to consider treatment.
What causes cataract?
The most common cause of cataract is degenerative changes due to the ageing process. With age, proteins in the natural lens degenerate, resulting in a clouded lens called a cataract. There might be other causes such as:
Health conditions like diabetes, kidney disease, glaucoma, smoking, eye injuries, infection, and inflammation inside the eye
Prolonged use of certain medications can also lead to cataract formation
Cataract may also occur in children due to genetic or metabolic defect or due to infection and trauma
What are the symptoms of cataract?
If you have cataract, you may experience some or all of the following symptoms.
Cloudy vision
Colors of objects may appear faded
Poor eyesight at night
Difficulty in driving at night, especially because of the glare of lights
Difficulty in reading in dim light
Colored haloes
You may see multiple images or double images
How can the cataract be removed?
In cataract surgery your natural clouded lens will be replaced by an artificial intraocular lens (IOL). This lens helps the incoming light rays to focus properly on your retina, thus enabling you to see clearly. Your new lens should be able to restore vision to nearly what it was earlier, though you may need to wear glasses for reading or driving.
The lens options include MONOFOCAL lenses – corrects distance vision, and bifocal lens – corrects distance and near vision and trifocal lens corrects distance, intermediate and near vision. In some cases when the shape of the eye is not circular resulting in distorted vision – a condition called as astigmatism, an option of customized “toricmonofocal lenses” or “toric multifocal lenses” can be used.
What surgical techniques are available at ojas to remove the cataract?
OJas offers various advanced, cutting edge surgical techniques to treat cataract. Based on the type of cataract you have, your health condition and your lifestyle, the Ophthalmologist will recommend the best suitable option for you. The three commonly used surgical techniques are:-
Small Incision Cataract Surgery (SICS):
This is also a new technique where the cataract is removed manually through a slightly larger incision. This technique is used if your cataract is excessively hard, making phacoemulsification difficult.This is rarely used
Phacoemulsification:
In this method a tiny instrument is inserted through a small incision – (approximately 2.2 – 2.8 mm wide).
Ultrasound vibrations break the cataract into tiny pieces.
These pieces are gently suctioned out by vacuum.
Usually, no stitches are required to close the incision. This minimally invasive surgery allows faster and safer healing, and you can return to your normal activities in no time.
Microincision Cataract Surgery ( MICS)
Phacoemulsification is carried out through an extremely small incision sized 1.8 mm. The primary advantage is extremely reliable and predictable outcomes with fast healing.
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For more information https://www.cataractindia.in & https://www.ojaseyehospital.com