This gave rise to the standard Roman depiction of the river as a powerfully built reclining god, also named Tiberinus, with streams of water flowing from his hair and beard. The River Tiber was also believed to be the river into which Romulus and Remus (the former founded Rome) were thrown as infants.
PRK was the first surgical procedure developed to reshape the cornea, by sculpting, using a laser. Later, LASIK was developed. The same type of laser is used for LASIK and PRK. Often the exact same laser is used for the two types of surgery. The major difference between the two surgeries is the way that the stroma, the middle layer of the cornea, is exposed before it is vaporized with the laser.
Read on as Lakewood Ophthalmologist Dr. Edward Hedaya of InVision EyeCare explains how long LASIK/PRK surgery takes. A Quick (and Comfortable) Surgery. LASIK and PRK are outpatient procedures, so patients can have surgery and go home on the same day. From start to finish, the LASIK and PRK procedures take about 10 to 15 minutes. But the actual laser needs mere seconds to reshape the cornea to correct vision. What to Expect on the Day of Your Surgery. What to expect on the day of your surgery primarily depends on your choice in surgeon and surgery center.