Can cataracts be treated with laser surgery?

Nov 18, 2025 Source: Cainiu Health

Dr. Wang Lei

Introduction

Cataracts can be treated with laser surgery. Laser-assisted cataract surgery is an advanced, clinically common treatment method that enables precise completion of critical surgical steps, enhancing both safety and effectiveness, thereby helping patients regain their vision. If symptoms such as blurred vision or light sensitivity occur, it is recommended to seek medical evaluation promptly to determine the appropriate timing for surgery. This laser procedure utilizes femtosecond laser technology.

Cataracts can be treated with laser surgery. Laser-assisted cataract surgery is an advanced, clinically common treatment method that precisely performs key surgical steps, enhancing both safety and effectiveness, helping patients regain their vision. If symptoms such as blurred vision or photophobia occur, it is recommended to seek timely medical evaluation to determine the appropriate timing for surgery.

This procedure uses femtosecond laser technology to replace traditional surgical blades for corneal incisions, capsulotomy, and lens fragmentation. It offers greater precision, less invasiveness, reduced intraoperative bleeding, and fewer postoperative complications. It is particularly suitable for patients with dense nuclear cataracts or those with coexisting astigmatism.

The surgery has specific eligibility criteria: patients must have lens opacity meeting surgical indications, and their corneal condition and overall health must meet requirements. For patients with hypermature cataracts or severe underlying retinal diseases, doctors must evaluate and determine the most appropriate surgical approach.

After surgery, maintain ocular hygiene, avoid direct exposure to bright light and prolonged eye use, follow medical instructions for using anti-inflammatory eye drops, eat a light diet rich in vitamins, and refrain from strenuous activities in the short term to promote rapid eye recovery.

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Can laser surgery correct astigmatism?

In general, laser surgery can correct astigmatism, but specific conditions must be met and a professional evaluation is required. Avoid getting water in the eyes during the first week after surgery, and do not rub your eyes to prevent corneal infection or poor healing. Wear protective sunglasses when going outdoors to reduce irritation from wind, dust, and strong light. Control your screen time; avoid prolonged screen use in the early postoperative period, and look into the distance every 30 minutes to relax your eyes.

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Will myopia recur after laser eye surgery?

Laser eye surgery for myopia typically does not result in recurrence, but a phenomenon known as vision regression may occur. In most cases, the degree of regression is small and does not affect normal vision. Only a minority of individuals experience significant regression due to individual differences or improper visual habits. If there is a sudden decline in vision or eye discomfort after surgery, prompt medical attention is recommended. Laser surgery corrects myopia by reshaping the cornea.

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Became nearsighted again after having laser surgery

After undergoing laser surgery, if myopia recurs, it can be managed through timely optometric examination, adjusting eye usage habits, wearing corrective glasses, evaluating the need for a second surgery, and visual function training. Interventions should be scientifically determined based on the degree of myopia and overall eye condition. If sudden vision loss, eye pain, or visual distortion occurs, prompt medical attention is recommended. A comprehensive eye exam should be performed to accurately determine the new degree of myopia.

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What are the precautions for cataract laser surgery?

Precautions for cataract laser surgery generally include completing comprehensive eye examinations before surgery, controlling underlying medical conditions prior to the procedure, maintaining head stability during surgery, avoiding eye trauma after surgery, and using medications as prescribed postoperatively. Prior to surgery, patients need to undergo multiple tests, including visual acuity, intraocular pressure, corneal thickness, and fundus examination, to determine the severity of the cataract and the overall condition of the eye.