Prakash Netra Kendr (P.N.K.)

Our Location
NH- II, VipulKhand – IV, Gomtinagar,
Lucknow 226010
Phone: 0522-4242164, 4076399
Whatsapp No: 8318794965

Our Location
HIG 30, Sector - E, Aliganj,
Lucknow 226001
Phone: 0522-4024306, 4960251



Sight is the most precious sense, enabling us to enjoy the beauty of the world. Cataract is one of the most common causes of reversible blindness in India. It is not the dreaded problem it once was. For most people with poor vision from Cataract, the prospects of regaining good vision and resuming normal daily activities are excellent after a cataract surgery. 
What is Cataract?
It is the clouding of the normally clear, natural crystalline lens in the eye. Usually, it happens due to ageing process but can also be caused by eye trauma, heredity, diabetes, and even some medications. Whatever the cause, Cataract typically results in blurred or fuzzy vision and sensitivity to light. The vision dims because Cataract prevents the light from passing beyond the lens and focusing on the retina.
What causes Cataract?
It is now known that chemical changes takes place within the lens of the eye with age, causing it to become cloudy. The clouding may progress and severely impair vision. The most common type is related to aging and referred to as a Senile Cataract. Other common causes are:
  • Family history
  • Medical problems: diabetes, glaucoma, iritis, eye inflammation, eye tumors, etc.
  • Long-term use of medications, such as steroids
  • Injury to the eye
  • Congenital
  • Previous eye surgery
  • Long-term unprotected exposure to sunlight
  • Certain unknown factors
What are the symptoms of Cataract?
Common symptoms are:
  • Difficulty in performing day to day activitiesdue to blurred vision
  • Painless, gradual, progressive blurring of vision. Vision may also be hazy or fuzzy.
  • Discomfort or inability to see in bright light. Glare, halo or light sensitivity.
  • Frequent changes in eyeglass prescription
  • Poor night vision
  • Needing a brighter light to read
  • Double or multiple imageswhen seeing with one eye
  • Dull or fading colors
  • Changes in the color of the pupil of the eye from gray to white.
Though none of these symptoms necessarily mean there is a Cataract, but if one experiences one or more of them, one should have their eyes examined by an eye care professional.
Common misconceptions cleared:
  • Cataract is not a film over the surface of the eye
  • It is not caused by overusing the eyes
  • It is neither infectious (will not spread from one eye to the other), nor cancerous
  • It is not a cause of irreversible blindness
  • Surgery should not be delayed till it is mature
How fast does a Cataract develop?
Cataract development varies among individuals and may even vary between the two eyes. Most Cataracts associated with the aging process develop over years. Cataracts in younger patients and in those with diabetes may develop rapidly. 
When should surgery be done?
Surgery should be considered when the Cataract causes enough visual disturbances to interfere with daily activities, such as job requirements, safe driving and household activities. Based on these needs and examination findings, the patient and the ophthalmologist should together decide when the surgery is appropriate. It is not true that the Cataract needs to be 'ripe' before it can be removed. In fact advances in the field of Cataract surgery have made it easier to remove an immature Cataract than a mature 'ripe' Cataract.
What should I expect from a Cataract surgery?
Cataract surgery is a microscopic surgery usually performed under local anesthesia. The cloudy lens is removed leaving its capsule behind, within which a permanent intraocular lens is implanted. The refractive power of the implanted lens is calculated so that there is a minimal need for post-operative spectacle prescription. However, glasses will be required for near work. After Cataract surgery, one may return almost immediately to all routine activities. Medication must be administrated as per the instructions of the surgeon.  Your surgeon will tell you when you may return to work.
What are the types of Cataract surgeries at Prakash Netra Kendr?
The entire surgical experience at our hospital has been designed to help patients and their families to be as comfortable and relaxed as possible. The types of cataract surgeries conducted are:
  • LASER Cataract Surgery or Robotic Cataract Surgery: It is the latest technology in market wherein LASER energy is utilized for cataract surgery. Here the patient is first taken to the laser room where we perform the making of/make an incision, making of/make an opening in the cataractous lens and breaking the lens into small pieces. Patient is then shifted to the surgery suite where the cataract is removed and lens is placed in the eye. All the processes are more accurate and precise thereby improving the visual outcome. We utilize the CATALYS system for the same.
  • Co- axial Micro Incision Cataract Surgery (Co- MICS) is a newer development in Phacoemulsification, which aims at reducing the incision size to 1.8-2.2 mm.  
  • Phacoemulsification Cataract Surgery: About 95% of our cataract surgeries are done using this method. This is a micro-incision technique of cataract surgery wherein an ultrasound probe breaks the cataract into tiny pieces and sucks them out. A foldable Intra-Ocular Lens (IOL) is then inserted through the incision (of size 2.8-3.0 mm). This incision is self-sealing and does not require stitches.

Once we have examined your eyes, we will help you decide as to which lens will suit you best.

Multifocal Intra-Ocular Lenses are the latest cutting edge technological introductions in the family of Intra-Ocular Lenses. With routine Monofocal Intra-Ocular Lenses, you may be required to wear glasses for distant vision sometimes but will definitely need reading glasses. The advantage of Multifocal Intra-Ocular Lenses is that one becomes relatively free from using glasses both for distant and near vision.
If you have a cylindrical power (Astigmatism), you have the option of TORIC Intra-Ocular Lens, which will help in correcting your Astigmatism to a certain extent. 
Now a days there is an option of combining both multifocal and toric lenses too.
Conventional Cataract Surgery: In about 5% patients, where phacoemulsification is not possible (e.g.: very hard cataracts, grossly displaced lens, etc.) a conventional cataract surgery is done in view of the safety of the eye. This procedure involves removal of the cataract in one piece, results in an incision size of 10-12 mm and implanting of a non foldable Intra-Ocular Lens (IOL) and closure of this large incision with sutures. Since the size of the incision is relatively larger, this procedure is done under the effects of Local Anesthesia (administered below the eye, through an injection).

What are the benefits of Phacoemulsification surgery for Cataract?
The wound is smaller (resulting in faster healing and visual rehabilitation), the surgical time is reduced and no stitches, patches /injections are required. There is minimal or no post-operative discomfort and ayou can quickly return to your normal routine.
At Prakash Netra Kendr, your eye health is our prime concern. Our facility is oriented towards providing low-stress patient -friendly care. If you have any queries regarding cataract or its surgery, please feel free to contact us either personally or telephonically. Our team of doctors, counsellors and staff will ensure that your experience of treatment of cataract, at our centre is a pleasant and memorable one.

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