Khanna Vision Institute logo Book Consultation
Flap‑free laser vision

Advanced Surface Ablation (ASA)

A modern family of surface procedures — mechanical PRK, LASEK, Epi‑LASIK, and transepithelial PRK — designed for thin corneas, active lifestyles, and dry‑eye risk.

  • 🚫 No corneal flap
  • 💪 Strong corneal biomechanics
  • 🧊 Smart comfort plan
  • 🎯 Predictable long‑term results

Step 1 · Map + plan

We scan your eyes in 3D, check tear film and pupils, and design a custom ablation for day and night vision.

Step 2 · Remove the surface layer

Your surgeon selects the approach that best fits your cornea and goals. All are flap‑free.

ASA technique

Mechanical PRK

Epithelium is gently polished away with a micro‑brush. Then the laser reshapes the cornea.

ASA technique

LASEK

A dilute alcohol ring loosens the epithelium, which is lifted as a sheet and then repositioned after laser treatment.

ASA technique

Epi‑LASIK

A blunt epikeratome separates the epithelial sheet without alcohol and it is replaced after reshaping.

ASA technique

Transepithelial PRK

“No‑touch.” The laser removes the epithelium and performs the treatment in one plan.

Step 3 · Laser reshaping

Modern excimer profiles with appropriately sized optical zones sharpen focus and aim to minimize halos.

Step 4 · Anti‑haze protection

In higher prescriptions, a brief medication may be used to reduce haze risk. Your surgeon personalizes this.

Step 5 · Bandage contact lens

A soft protective lens shields the surface while it heals over the first few days.

Comfort plan

Therapeutic bandage lens for 4–7 days.

Short course of topical drops only as appropriate.

Tailored oral meds to keep the first 48–72 hours manageable.

Chilled tears or cold packs for extra relief.

📱 Text or call 818‑857‑1735 💳 Financing