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Phacoemulsification: Modern Cataract Surgery Explained

Medically reviewed by Dr. Jayadatt D. Patel — MBBS, MS (Ophthalmology), FCRS · Last reviewed June 2026

“Phaco” — phacoemulsification — is the modern, gold-standard technique for cataract surgery. It replaced older large-incision methods and is why cataract surgery today is a quick, comfortable, day procedure.

How phacoemulsification works

Through a tiny incision (often around 2–3 mm and usually stitch-free), an ultrasonic probe gently breaks up the cloudy lens and removes it. A clear, folded intraocular lens (IOL) is then inserted through the same small opening, where it unfolds into place.

Why it’s better

  • Small, self-sealing incision — usually no stitches
  • Faster, more comfortable recovery
  • Performed under anaesthetic drops, as a day case
  • Allows precise placement of advanced lens types

The role of technology

Modern phaco platforms make energy delivery efficient and gentle on the eye, which helps recovery and protects delicate structures.

Frequently asked questions

Is phacoemulsification the same as laser cataract surgery?

Phaco uses ultrasound to remove the lens. Some steps can be assisted by a femtosecond laser, but the lens is still removed by phaco. Both are modern, effective approaches.

How long does phaco cataract surgery take?

The procedure itself usually takes around 15–30 minutes per eye, and you go home the same day.

This article is for general awareness and does not replace consultation with an eye specialist.

Related: Phacoemulsification · Cataract Surgery · Our Technology · Book an appointment

This article is for general awareness and does not replace a consultation with an eye specialist.

Dr. Jayadatt D. Patel

Reviewed by Dr. Jayadatt D. PatelMBBS, MS (Ophthalmology), FCRS · Cataract, Cornea & Refractive Surgeon

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Dr. Jayadatt Patel, Cornea, Refractive and Cataract Surgeon at Balaji Horizon Eye Hospital
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Dr. Jayadatt Patel

MBBS, MS (Ophthalmology), FCRS — Cornea, Refractive & Ocular Surface Surgeon

Founder & Director of Balaji Horizon Eye Hospital and Consultant Cornea & Refractive Surgeon at C.H. Nagri Eye Hospital, Ahmedabad. Dr. Patel focuses on accurate diagnosis, vision preservation and individualised, ethical care.

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