The anterior segment is the third frontal part of the eye that includes the structures ahead of the vitreous humor: the cornea, the iris, the ciliary body and the lens.

Eye surgery allows correcting the loss of visual acuity due to cataract, corneal opacity, myopia, astigmatism among others.

Both the pterygium and the pinguecula are benign and local alterations of the conjunctiva (thin and transparent mucosa that covers the white part of the eye).

Treatment may include surgery, laser or medication, depending on the severity of glaucoma. Usually, for the initial control drops are used to reduce the IOP

Cataract is an opacity of the natural (or crystalline) lens of the eye, which is located behind the iris and pupil.

The surgery includes either laser treatment or a cut in the eye to reduce intraocular pressure and depending on its severity as well as the general health of the eye.