The human diencephalon is composed of several regions. The thalamus which relays sensory information to the cerebrum, processes visual and auditory stimuli, and generates some emotions, among other functions.he human diencephalon is composed of several regions. The thalamus which relays sensory information to the cerebrum, processes visual and auditory stimuli, and generates some emotions, among other functions.
The LASIK surgery is performed by an ophthalmologist who uses a laser or microkeratome to reshape the eye's cornea in order to improve visual acuity. For most patients, LASIK provides a permanent alternative to eyeglasses or contact lenses.
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.