(Jon of the Clue Crew shows an anatomical diagram on the monitor.)  When Lasik eye surgery is performed, a flap is made in the eye, folded back, & then the stroma, or middle section, of this eye part is reshaped using lasers
It can affect the outer parts of the eye, such as the eyelid, which are made up... [DOC] [TLE] tracking scanning laser: Topics by Science.gov [PAR] Binocular eye tracking with the Tracking Scanning Laser Ophthalmoscope.