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Keratoconus is a progressive, non-inflammatory infection which affects the cornea. The cornea is the window of the eye and the key area where images are focused when we see. Keratoconus causes thinning of the cornea which results in bulging, creating a cone-like silhouette of the cornea. The Sight Avenue is the best hospital for patients who wish to rectify their problem of keratoconus.


The word keratoconus is derived from Greek and Latin. Kerato means cornea and conus means cone shaped. It is a bilateral, progressive, asymmetric, non-inflammatory thinning and ectatic condition of the cornea, occasioning in a high degree of asymmetrical myopic astigmatism.


The beginning of keratoconus is between the ages of 10 and 30. The deviations in the shape of the cornea typically transpire gradually over numerous years.


Symptoms depend on the severity of the ailment. The most common symptoms include:

  • Blurry vision
  • Distortion of vision.
  • Photophobia
  • Glare
  • Eye irritation and itching
  • Recurrent spectacle power changes.
  • Incapability to wear contact lenses.


The cause of keratoconus remains unfamiliar, although recent research seems to specify the possible causes include:

  • Keratoconus is thought to encompass a defect in collagen, the tissue that makes up most of the cornea.
  • Keratoconus have a hereditary component and studies specify that about 8% of patients have affected relatives.
  • It happens more often in individuals with certain medical problems, including certain allergic disorders.
  • Some think that chronic extreme eye rubbing can cause of keratoconus


Keratoconus does not cause complete blindness. However, it can result in substantial vision impairment occasioning in legal blindness.


Keratoconus can cause considerable distortion of vision, with multiple images, streaking and sensitivity to light all often described by the patient. It is normally diagnosed in the patient’s teenage years. If afflicting both eyes, the deterioration in vision can affect the patient’s aptitude to drive a car or read normal print. In record scenarios, corrective lenses fitted by a specialist are effective enough to permit the patient to continue to drive legally and likewise function routinely. Further development of the disease might entail surgery, for which numerous options are available, including intrastromal corneal ring segments, cross-linking, mini asymmetric radial keratotomy and, in 25% of circumstances, corneal transplantation.

Estimations of the prevalence for keratoconus range from 1 in 500 to 1 in 2000 individuals, but complications with differential diagnosis cause vagueness as to its occurrence. It seems to befall in populations throughout the globe, although it is witnessed more often in certain ethnic groups, such as South Asians. Environmental and hereditary factors are considered the potential causes, but the exact cause is ambiguous. It has been related with detrimental enzyme activity within the cornea, and is more common in patients with Down syndrome. Individuals with early keratoconus normally notice a minor blurring of their vision and come to their doctor seeking corrective lenses for reading or driving. At early phases, the symptoms of keratoconus might be no different from those of any other refractive shortcoming of the eye. As the disease advances, vision depreciates, at times speedily. Visual acuity becomes damaged at all distances, and night vision is often poor. Some persons have vision in one eye that is distinctly worse than that in the other. The ailment is often bilateral, though asymmetrical. Some develop photophobia (sensitivity to bright light), eye strain from squinting so as to read, or itching in the eye, but there is usually little or no sensation of pain. It might, in certain circumstances cause incandescent objects appear like cylindrical tubes with the same luminous strength at all points.

FAQs for Keratoconus Treatment in Delhi

It is a lifelong eye disease. Thankfully however, most cures of keratoconus can be successfully managed. For mild to moderate keratoconus sclera contact lenses made of advanced rigid which has permeable lens materials typically are the treatment of choice.

There are four stages of keratoconus:
1. Early stage – glasses/ toric soft contact lenses
2. Mild stage – rigid gas permeable contact lenses/ scleral lenses
3. Mid late – intacs corneal implants with or without corneal cross linking
4. Late – partial or full thickness corneal transplant

In majority of cases, it is noted that, it usually stabilize quite well after 25.

It may lead to permanent vision loss if keratoconus is left untreated.

To prevent keratoconus:
1. Protecting your eyes from UV radiation
2. Making sure contact lenses fits well,
3. Getting treatment for any kind of eye discomfort
4. Not rubbing your eye



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