Viscoelastics

Viscoelastics, also referred to as ophthalmic viscosurgical devices, or OVDs, are viscous substances that make ophthalmological phacoemulsification easier and safer. Once the first incision is made into the eye, it has a tendency to collapse as the aqueous leaks out. The larger the incision, the greater the propensity for the eye to collapse and the greater the risk to the patient. By replacing the aqueous with a thicker viscoelastic, the collapse of the eye can be prevented.

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