In the United States ophthalmic viscoelastic devices market, cataract surgery has become one of the most common eye care treatments. Cataract surgery can correct refractive errors such as nearsightedness and farsightedness, among other problems. It has also been found to provide some degree of vision improvement to those with severe cataract conditions.
Currently, there are two types of ophthalmic viscoelastic devices available in the ophthalmic viscoelastic devices market: open and closed systems. The open systems consist of a lens and the intraocular pressure sensor together with a chin strap or headband. It has been found that this form of treatment is effective in treating children and adults with different degrees of strabismus (crossing and turning of the eye). On the other hand, the closed system consists of a lens-fitted or nose-and-throat mask that has an intraocular pressure sensor and holds the patient's head up with a backpack or headband.