Definition of GOUACHE. 1. : a method of painting with opaque watercolors.2. a: a picture painted by gouache b: the pigment used in gouache. ADVERTISEMENT.. : a method of painting with opaque watercolors. 2. a: a picture painted by gouache b: the pigment used in gouache.
On average, PRK costs between $1,800 and $6,500, depending on the severity of the refractive error and the degree of customization the patient requires. Doctors often price PRK surgery per eye, although most patients will need to correct both eyes.
How long do the effects of PRK last for? The effects of PRK laser eye surgery are usually permanent. However, if you are aged 40 and over then your eye will change as a result of ageing. If so, then you may require further surgery although this may cost less than the original procedure. Intro to PRK laser eye surgery.