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.
Dry eye. After lasik surgery, dryness can worsen for a few month and slow visual recovery. If dry eye are present preoperatively, it should be treated before surgery. Unless the dry eye is severe, most patients can be treated for the dryness and can proceed with lasik surgery. Read more...