Why do we get a number ?
     
The Cornea- Front transparent   surface of the Eye
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If Steep- Myopia (Minus Number)
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 If Flat- Hypermetropia (Plus Number)
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 If Steep/ Flat in a certain direction- Astigmatism (Cylinder number)
 
What does Laser do ?
  
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Removes fine amounts of corneal tissue from:
   
(a) Central area- Flattens Central Cornea- Corrects Minus Number
(b) Peripheral area- Steepens Central Cornea- Corrects Plus Number
 
Procedure
    
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Preoperative tests: Includes Refraction, Dilated retina testing, Corneal Topography and Pachymetry
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 Done under local  Anesthesia (Eye Drops)- Painless procedure
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 Takes about 3-4 minutes per Eye
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 Walk in-walk out procedure. No admission required
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 Can correct number up to –15 and +7 and cylinders up to -4
 
Technique
   
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 Allegretto Customized Refractive Excimer Laser (Latest technology)
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 Wave front guided technology- Tshering Wave front Analyzer-168 light beam fine grid
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 Active close loop Eye tracker
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 Microthin Corneal Flap with a fine Keratome
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 Excimer Laser applied to the Corneal bed
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 Corneal Flap repositioned
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 Thin Bandage Contact Lens placed
 
Who is eligible
      
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Age> 18 years
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 Stable number for past 2 years
 
Vision restoration
     
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90% in 24 hours, Further improves in the next 2-3 weeks
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 Occasionally mild haze, Night Glare/ Haloes, Reduced Contrast Sensitivity, Tearing, irritation maybe seen for a few days post operatively which usualy disappears with time