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 to determine whether you're a good candidate for LASIK surgery. LASIK surgery is a type of refractive eye surgery. During the procedure, an eye surgeon creates a flap in the cornea and then uses a laser to reshape the cornea and correct refractive error problems in the eye. LASIK surgery is most appropriate for people who have a moderate degree of refractive error, causing: