encyclopedia

Psychosurgery, also called neurosurgery for mental disorder (NMD), is the neurosurgical treatment of mental disorder.

Punctoplasty is a surgical procedure to restore proper drainage of tears when the lacrimal punctum (puncta lacrimalia) becomes blocked in one or both eyes.

Pyeloplasty is the surgical reconstruction or revision of the renal pelvis to drain and decompress the kidney.

A pyloromyotomy is a surgical procedure in which an incision is made in the longitudinal and circular muscles of the pylorus.

Radial keratotomy (RK) is a refractive surgical procedure to correct myopia (nearsightedness) that was developed in 1974, by Svyatoslav Fyodorov, a Russian ophthalmologist.