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Phacoemulsification with intraocular lens implantation

Eye Care estimated about CNY 8000-15000

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Description

A surgical procedure that uses ultrasonic energy to emulsify and aspirate the cataractous lens, followed by insertion of an artificial intraocular lens to restore vision.

Main Uses

Primary clinical use is the surgical treatment of age-related, traumatic, congenital, or secondary cataracts. It restores functional vision by removing the opacified natural lens via ultrasonic emulsification and replacing it with a foldable intraocular lens. Indications include best-corrected visual acuity ≤20/40 interfering with daily activities, glare disability, progressive lens opacity impairing examination of posterior segment, or cataract-induced phakomorphic glaucoma.

Normal Range

Phacoemulsification with intraocular lens (IOL) implantation is a surgical procedure, not a diagnostic test with numerical laboratory values; therefore, there is no 'normal range' of quantitative measurements. Success metrics include postoperative visual acuity (e.g., ≥20/40 Snellen at 1 month), intraocular pressure (IOP) within 10–21 mmHg, absence of corneal edema or posterior capsule opacification, and IOL centration within ±0.3 mm of the visual axis.

Low Values - Possible Causes

N/A — This is a surgical intervention, not a test yielding low/high numeric values. However, suboptimal surgical outcomes (e.g., low postoperative visual acuity) may result from: 1) Pre-existing macular pathology (e.g., age-related macular degeneration), 2) Corneal endothelial decompensation, 3) Posterior capsular rupture during surgery, 4) Incorrect IOL power calculation, 5) Persistent postoperative inflammation or cystoid macular edema.

High Values - Possible Causes

N/A — As a surgical procedure, it does not produce high-value lab results. Elevated postoperative parameters (e.g., high IOP >25 mmHg, high corneal thickness >600 µm indicating edema, or high anterior chamber cell count >2+) may indicate complications such as: 1) Malignant glaucoma, 2) Intraocular inflammation (iritis/uveitis), 3) Hyphema or fibrin reaction, 4) Cortical steroid response (steroid-induced IOP elevation), 5) Pupillary block due to mispositioned IOL or vitreous prolapse.

cataract surgery phacoemulsification intraocular lens implantation

estimated about CNY 8000-15000