LASER REFRACTIVE TREATMENTS /

Advanced Surface Ablation (ASA)

Customised ASA is an alternative method to correct short-sightedness, long-sightedness and astigmatism. In ASA, the corneal flap creation is no longer required. Only the top layer of the cornea (epithelium) will be removed, before the Customised Excimer Laser is applied. The vision and corneal recovery period may take a little longer than other LASIK procedures, but the outcome is similar.

ASA Treatment

  1. In ASA, the top skin layer of the cornea (the epithelium) is gently removed to allow the Excimer laser to be applied to the inner layers of the cornea.
  2. The Excimer laser is used to reshape the inner layers of the cornea, thus changing the eye’s power.
  3. Once treated with the Excimer laser, a bandage contact lens is then placed over the cornea to protect the treated area.

ASA Procedures

Advanced Surface Ablation (ASA)

STEP 1

Advanced Surface Ablation (ASA)

STEP 2

Advanced Surface Ablation (ASA)

STEP 3

Advanced Surface Ablation (ASA)

STEP 4

Advantages

  • Safe
  • Painless, fast and comfortable
  • Bladeless
  • Flapless
  • Customised
  • Excellent vision quality
  • For thin corneas
  • Saves corneal tissue
  • Likely to treat cornea with scars

Recommended for those who:

  • Require an alternative to Femto-LASIK or SMILE
  • Have thinner corneas
  • Have a scar on the cornea (due to previous eye infection or injuries)

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