Ojas Eye Hospital in Mumbai is Best Keratoconus Hospital in India which Provide Best Keratoconus Treatment in India

Keratoconus 

Keratoconus Eye Specialist: Best Eye Surgeon in India Dr. Niteen Dedhia, Eye Clinic in India

Keratoconus is a progressive disease of the outer transparent layer of the eyeball (cornea) affecting young adults mostly in their twenties. It is characterized by progressive thinning of the normally round cornea causing it to bulge forward & assume a cone-like shape. This irregularity in the cornea results in the formation of a distorted image of objects on the retina & gives rise to blurred vision.

Symptoms & signs of Keratoconus

• Keratoconus causes myopia or nearsightedness & astigmatism.
• Frequent change in glasses prescription with fluctuation in vision.
• Glare & sensitivity to light especially during the night.
• In the advanced stage of Keratoconus corrective prescription glasses do not help patient to see clearly & they have to switch to using hard or semi-soft contact lenses.
• Keratoconus can be diagnosed at an early stage with detailed eye examination which includes Retinoscopy,
• Slit-lamp examination & sophisticated tests like Topography to check the shape & curvature of cornea & Pachymetry to determine the thickness of the cornea.

Causes

Exact causes of Keratoconus is not known but the latest research suggests that the cornea becomes weakened due to an imbalance of enzymes within the corneal tissue. Young patients produce high levels of free radicals which cause oxidative damage to the cornea in the absence of protective enzymes causing thinning & bulging of the cornea.

Keratoconus also shows some genetic predisposition. It may transmit from a parent to children & affect more than one family member. It is also associated with excessive rubbing as it is more common in allergic conjunctivitis patients who have itching & tend to rub their eyes more frequently.

Other risk factors are overexposure to ultraviolet rays, chronic eye irritation & improperly fitting contact lenses.

Treatment Options  

In the early stages, when the cornea is still regular, corrective prescription glasses or soft contact lenses can help the patient. As keratoconus advances, the corneal surface becomes increasingly irregular & these options do not help adequately. In the intermediate & advanced stage, various other treatment options & different types of contact lenses are available.

Rigid Gas permeable contact lenses: provide a smooth refractive surface replacing the irregular cone-like surface of the cornea, thus enabling the patient to see clearly. Lens fitting in Keratoconus can be demanding & time-consuming process. RGP lenses are not as comfortable as soft contact lenses.

Piggybacking Contact Lenses: a soft contact lens is first placed on the cornea to give it a cushion-like effect & RGP lens is fitted over it. Best features of both lenses are combined – makes the wearer comfortable & at the same time gives crisp & clear vision. The fitting should be perfect to ensure good oxygen permeability to the cornea as the patient will be wearing two lenses. However, with newer high oxygen permeable lenses this is not a problem.

Hybrid Contact lenses: uniquely designed wherein the central visual portion is made up of high oxygen permeable rigid material & peripheral anchoring portion is of soft hydrogel material. Maximizes the best features of both lenses & improves wearers comfort as well as visual performance in keratoconic eyes.

New Vistas In Surgical Treatment Of Keratoconous: Intacs (Intra Corneal Ring Segments)

Patients with moderate nonprogressive keratoconus who are intolerant to contact lenses are good candidates for INTACS. Use of INTACS not only improves the visual outcome it also reduces the dependency of the patient on glasses or contact lenses. INTACS are rings made of inert material that is implanted in the mid periphery of the cornea . These rings significantly flatten the curvature of keratoconic cornea thus improving vision.

Benefits

• Simple 10-minute outpatient procedure
• Marked improvement in vision
• Removable & exchangeable
• Minimally invasive as compared to corneal transplantation
• Delays the progression of keratoconus

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