More
than 12000 cataract surgeries are done successfully has added
charm to Krishna Eye Centre's achievements.
No
Injection, No stitch, No patch Surgery.
Enjoy
spectacle freedom with premium lenses.
When
we look at any object, light rays from the object through the
transparent cornea and the clear lens to strike the retina and form
an image. The retina then relays the image to the brain through a set
of wires called as Optic nerves.
What is Cataract?
What is Cataract?
For
normal vision, it is imperative that the lens of the eye is clear and
transparent, so that light rays can pass through it. When the lens
becomes cloudy or opaque, light rays are not easily transmitted to
the retina. This opaque lens is called as Cataract. Cataract usually
develops gradually over a period and may affect both eyes in
different degrees.
Ageing
is the most common cause. As one ages, the protein in the lens
break-down making it rigid and cloudy. Other than aging, many
conditions can accelerate the break-down of the lens protein, like.
- Diabetes
- Eye Injury or prolonged exposure to radiation, sun or x-rays.
- Smoking
- Inflammation of the iris, uvea etc.
- Disorders like hypothyroidism and atopic dermatitis.
- Genetic diseases like Down's, Wilson's, Homocystinuria, Myotonic dystrophy etc.
- Infections affecting the baby in the mother's womb like Herpes, Rubella, Syphilis, etc.
- Medications like steroids and haloperidol.
How Does Cataract Affect Vision ?
Cataract
develops very gradually and painlessly. It may affect one or both
eyes.
- Vision becomes Blurry as if looking through a frosted glass.
Halos around object, especially bright lights e.g. Excess glare from oncoming headlights is noticed.- Loss of contrast sensitivity and dull appearance of colours.
- Poor night vision.
- Need for brighter light to carry out activities like reading.
Surgery
alone is the treatment for Cataract. No medicine or diet can reverse
Cataract formation. During the surgery the Cataractous lens is
removed and is replaced by an artificial Intra Ocular Lens ( IOL ).
Phacoemulsification
is the most advanced and accepted form of Cataract Surgery. During
this surgery a very small opening of approximately 2-3mm is made in
the eye and the cataract is removed by breaking it into small pieces,
which are then gently sucked out with the same instrument. The
incision taken is so small that it requires no stitches and heals
rapidly. This makes it possible for the patient to resume normal
activities early.
Once
the Cataractous lens is removed, a new Intra Ocular Lens ( IOL ) is
inserted in the same place.
There
are a variety of IOLs which a patient can opt for. Typically there is
a choice between foldable soft IOS and non-foldable hard IOS. Lenses could be either of PMMA, Silicon or Acrylic material. One can opt
between Monofocal IOLs or Multifocal IOLs. The foldable IOLs
are the most recommended. With monofocal IOL, the distance vision is
clear without glasses but one has to wear reading glasses. With
multifoal IOL, vision is clear both for distance and near and one is
almost independent of glasses. 90-95% spectacle freedom is attained.
Toric
IOLS are now available for patient with high cylindrical powers.
Multifocal toric IOL can provide patients greatest level of
spectacle freedom even if patients have a pre-operative corneal astigmatism.
Cataract surgery is done under topical anaesthesia. The new technique of
eye drop anaesthesia (no injection) has distinct advantages
over the conventional technique of giving injection anaesthesia.
In
certain circumstances, the alternative technique of extra capsular
cataract surgery with injection anaesthesia may need to be adapted as
felt necessary for the best interest of the patient.
Cataract surgery has very predictable results with high success rate. The
latest technique of NO INJECTION, NO STITCH and NO PATCH has
made the surgery very easy for the patient; though
it is more demanding on the surgical skills of your doctor. In some
people natural capsule that support the IOL may became cloudy,
several months after the surgery. If vision is affected, then laser
can be used to open this capsule in a couple of minutes.
FAQs
When should surgery be done?
Cataract surgery is rarely an emergency surgery and should be considered when
vision cannot be improved with new glasses or vision is no longer
good enough for daily activities.
Which Lens
Should on Select?
Each eye is unique. It is always good to customize the lenses best suited for the eye. Your Doctor will help you in selecting the lens.
Each eye is unique. It is always good to customize the lenses best suited for the eye. Your Doctor will help you in selecting the lens.
Does The
Artificial Lens Have An Expiry Date?
The
artificial lens is designed to last for the rest of one's life. It
needs to be replaced or adjusted only in cases of injury, severe
reaction in the eye or dislocation which is very rare.
Do I need To Undergo Any Tests Before Surgery?
Yes.
Routine Blood examinations are needed to rule out any infection in
the body.
Well
controlled Diabetes and Blood pressure are mandatory.
When Will I be Able to Resume My Activities After Surgery?
Most
of the patients are back to their routine life in 2-3 days after
surgery.
For
online consultation with doctor & online appointments you can
click on the following links :
Hey thanks for the information, i learned a lot, here are some extras:
ReplyDeletecataract surgery - eye surgery that involves removing all or part of the lens and replacing it with an intraocular lens implant
eye operation, eye surgery - any surgical procedure involving the eyes
intracapsular surgery - cataract surgery in which the entire lens is removed
extracapsular surgery - cataract surgery in which only the front of the lens is removed; the back of the lens capsule remains intact and provides support for the lens implant. If anyone wants more info check out my site!!!
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