Are you fed up of your glasses or contact lenses? Now WE have a permanent solution a permanent solution for U! for U! Dr.Madhuri Dixit Dr.Madhuri Dixit.

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Are you fed up of your glasses or contact lenses? Now WE have a permanent solution a permanent solution for U! for U! Dr.Madhuri Dixit Dr.Madhuri Dixit M.S.(Ophthal) M.S.(Ophthal) Director & Consultant Eye Surgeon KLES BELGAUM LASIK LASER CENTRE

WHAT IS LASIK ? LASER ASSISTED IN SITU STROMAL KERATOMILIEOSIS

BEST OF OLD AND NEW OLD ALK OLD ALK AUTOMATED LAMMELER KERATECTOMY AUTOMATED LAMMELER KERATECTOMY NEW PRK NEW PRK PHOTOREFRACIVE KERATECTOMY PHOTOREFRACIVE KERATECTOMY

ALK stands for Automated Lamellar Keratomileusis. This procedure has been performed for over 40 years. This is very similar to LASIK. A corneal flap was created with the same type of device. Tissue was then removed by another pass of the same device, removing a pre-calculated thickness button of tissue and then the flap was replaced. The problem with this procedure was in the accuracy and predictability.

PRK or Photo Refractive Keratectomy has been performed for 10 years. This procedure involved using an excimer laser through all the layers of the cornea Although it was very accurate it did not heal rapidly because the top layer of epithelium required up to 3 days to heal. Stability has been shown with this procedure for 10 years with no loss of effect LASER procedures much more accurate

THREE IMPORTANT STEPS CREATION OF CORNEAL FLAP EXCIMER LASER ABLATION REPOSITIONING OF CORNEAL FLAP

MICROKERATOME

ALLEGRETTO WAVE SAFEST SAFEST FASTEST FASTEST PRECISE PRECISE

About ALLEGRETO. wave. GERMAN make Wavelight FDA approved. ISO certified. Wave front optimised optimised Fast, safe and precise. precise. Can correct Up to 14 D Up to 14 D

(WFO) Wavefront Optimised Treatment It is achieved by giving more energy per pulse at the periphery of the treatment as compared to that given in the central zone. Thus it produces equal ablation of both central and peripheral cornea Divyadrishti Lasers, Satara.

With standard LASIK With WFO LASIK

Importance of very small Flying Spot Laser Smaller the spot (<1mm), more precise is the Laser delivery leading to more precise change in laser ablation of cornea Smaller the spot (<1mm), more precise is the Laser delivery leading to more precise change in laser ablation of cornea

Small ablation spot (Cross section of an ablation) 0.95 mm diameter 0.45 µm depth Cornea (top view) 2 mm Spots 1 mm Spots Optical zone 6.5 mm Comparison large / small spots 11 mm Diameter ABLATION

Active Eye Tracker A very fast repetition rate of Active Eye Tracker system minimizes and eliminates the millisecond lag between tracking laser beam and the movement of the eyeball It leads to precisely centered laser treatment It leads to precisely centered laser treatment

Myopic 3D ablation profile ABLATION

Hyperopic 3D ablation profile ABLATION

Comparative Study of LASIK technologies

What exactly is LASIK??

POST PROCEDURE CARE EYE PROTECTION EYE DROPS REGULAR FOLLOW UP

Study of 200 eyes of WFO LASIK Laser Treatment Operated by Two Surgeons. Laser delivery system was same Cases were followed for minimum period of 6 months

Male : Female Age distribution: Age (in Yrs) No. of eyes above 40 above 404

WFO Treatment myopia 22 myopia 22 myopic astigmatism 162 myopic astigmatism 162 hypermetropia 10 hypermetropia 10

KLES BELGAUM LASIK LASER CENTRE WORLD WITHOUT GLASSES THANK U ! THANK U !