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.
A Dr. Wayne Bizer, Ophthalmology, answered on behalf of American Academy of Ophthalmology's EyeSmart. LASIK surgery can be performed three to six months after cataract surgery, if necessary. However, modern cataract surgery can go a long way to reducing a person's need for glasses.In fact, depending on the intraocular lens that you choose to have implanted in your eye during cataract surgery, you might reduce your need for glasses.owever, modern cataract surgery can go a long way to reducing a person's need for glasses. In fact, depending on the intraocular lens that you choose to have implanted in your eye during cataract surgery, you might reduce your need for glasses.