Knife Cataract

A cataract knife is a special instrument that is used in ophthalmology to perform surgery to remove cataracts (deposits on the lens of the eye).

A cataract is a clouding of the lens in the eye that reduces the quality of vision and can cause a variety of health problems.

Knife Cataract

Introduction The Cataract Knife is a narrow-profile sharp cutting instrument used in ophthalmology to cut the corneal epithelium and open the anterior chamber when cataract surgery occurs. The use of other sharp metals makes this case extremely undesirable due to the risk of infection and damage to eye tissue.

Purpose The main use of the Cataract knife is in cataract surgery (from the Latin cataracta - “waterfall”): a procedure for removing clouded or scarred cataracts surgically, with the instillation of local or intravenous medications, drops or solution before the operation, depending on the surgical technique.

This type of procedure is carried out exclusively in clinics and closed medical institutions where there is an ophthalmology department with anesthesiology and intensive care departments. The operation is contraindicated for pregnant women, people with chronic diseases of internal organs, children and adolescents under 18 years of age.

The main types of cataract surgery include: phacoemulsification through micro-incisions of the lens - performed on an outpatient basis, and the patient’s condition does not require serious monitoring; extracapsular cataract extraction through a large incision in the anterior wall of the cornea and the formation of two or three holes - hospital. After the operation, the patient is required to remain in a medical facility under the supervision of doctors.

Cataract surgery is performed under local intraocular anesthesia (so-called “ma”