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.
1 According to an American Heart Association report, the average hospital charge for heart bypass surgery -- not including doctor fee -- is $117,094. Heart bypass surgery typically is covered by health insurance when medically necessary. 2  For patients not covered by health insurance, heart bypass surgery typically costs about $70,000-$200,000 or more.