Hydrodelineation

Hydrodelineation is a surgical technique used in ophthalmology, specifically in cataract surgery. It involves the injection of a balanced salt solution between the nucleus and the epinucleus of the lens, which helps in separating these two layers. This technique is often used in conjunction with phacoemulsification, a method of cataract surgery where the internal lens is emulsified with an ultrasonic handpiece and aspirated from the eye.

Procedure

The hydrodelineation procedure is performed using a cannula to inject a balanced salt solution into the lens of the eye. The solution is injected in a circular motion, which creates a cleavage plane between the nucleus and the epinucleus of the lens. This separation allows for easier removal of the lens material during cataract surgery.

Benefits

Hydrodelineation has several benefits in cataract surgery. It helps in protecting the posterior capsule of the lens, as the epinucleus serves as a protective barrier during the emulsification of the nucleus. It also allows for easier rotation of the nucleus within the capsular bag, which can facilitate the surgical procedure.

Risks

As with any surgical procedure, hydrodelineation carries some risks. These may include incomplete separation of the nucleus and epinucleus, or damage to the lens capsule. However, with proper surgical technique, these risks can be minimized.

See also

• Cataract surgery
• Phacoemulsification
• Ophthalmology

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