Marc Amsler honor in ophthalmology. Amsler was professor and chief of the Zurich Eye Clinic until 1961. His successor was Rudolf Witmer. He is best known for the Amsler grid test. The Amsler grid was an improvement over the initial work done by the ophthalmologist Edmond Landolt. The grid tests the function of the macula, a part of the retina, so that macular degeneration can be identified. He also contributed to the progress in the understanding of uveitis. Furthermore, he published works on keratoconus. In 1951, Dr. Amsler performed the first corneal transplantation at the Zurich Eye clinic. Marc Amsler Marc Amsler
Fragmentation (medicine) lithotripsy. The code for fragmentation in ICD-10-PCS is 0FF. Fragmentation (medicine) In medicine, fragmentation is an operation that breaks of solid matter in a body part into pieces. Physical force (e.g., manual force, ultrasonic force), applied directly or indirectly through intervening body parts, are used to break down the solid matter into pieces. The solid matter may be an abnormal by-product of a biological function, or a foreign body. The pieces of solid matter are not taken out, but are eliminated or absorbed through normal biological functions. Examples would be the fragmentation of kidney and urinary bladder stones (nephrolithiasis and