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Phacoemulsification is a cataract surgery technique that uses ultrasound energy to break up and remove the clouded natural lens through a small incision. A foldable intraocular lens is then implanted to restore focusing power. The approach minimizes wound size, speeds healing, and reduces astigmatism. It is the dominant method for modern cataract care.
read more about phacoemulsification ...After creating a circular opening in the lens capsule, the phaco tip emulsifies the hard lens nucleus and aspirates fragments. Fluidics maintain chamber stability while heat is controlled to protect corneal tissue. The surgeon inserts a foldable lens into the capsular bag. Small self sealing incisions often require no stitches.
The technique combines ultrasonic energy with precise suction to remove the cataract. Stable chamber pressure keeps tissues safe throughout the procedure. Foldable implants allow placement through tiny openings for quick healing. Outcomes depend on steady control and careful wound construction.
Most adults with visually significant cataracts qualify after evaluation of ocular surface, corneal shape, and retinal health. Special planning is needed for prior refractive surgery, weak zonules, or small pupils. Biometry guides intraocular lens power selection. Shared goals shape the target prescription.
Benefits include clearer vision and rapid recovery. Risks include infection, inflammation, corneal edema, posterior capsule rupture, and rare retinal detachment. Modern techniques keep complication rates low. Follow up care manages healing and refraction.
Patients use drops for several weeks and avoid heavy lifting or eye rubbing. Vision often improves within days, with fine tuning after refraction. Protective shields and sunglasses add comfort. Most return to regular activities quickly under guidance.
Is it painful? Topical anesthesia keeps surgery comfortable.
How long is the procedure? Commonly 10 to 20 minutes.
Can both eyes be done the same day? Many practices stage eyes days or weeks apart.
Phacoemulsification. StatPearls (NCBI Bookshelf). https://www.ncbi.nlm.nih.gov/books/NBK493178/. 2023
Cataract Surgery. American Academy of Ophthalmology (Eye Health). https://www.aao.org/eye-health/treatments/cataract-surgery. Updated December 1, 2025.
Phacoemulsification: Surgical Technique and Complications. Cureus. https://www.cureus.com/articles/277068-phacoemulsification-surgical-technique-and-complications. August 10, 2024.
The Head-Up Tilt Position Reduces Postoperative Macular Edema After Cataract Surgery. Frontiers in Medicine. https://www.frontiersin.org/articles/10.3389/fmed.2024.1413743/full. August 7, 2024.
Cataract Surgery Clinical Practice Guidelines. The Royal Australian and New Zealand College of Ophthalmologists (RANZCO) (PDF). https://ranzco.edu/wp-content/uploads/2021/06/Cataract-Surgery-Clinical-Practice-Guidelines-2021.pdf. June 18, 2021.