There are six muscles that are present in the orbit (eye socket) that attach to the eye to move it. These muscles work to move the eye up, down, side to side, and rotate the eye. The superior rectus is an extraocular muscle that attaches to the top of the eye. It moves the eye upward.
Undergraduate Tuition. Northern Illinois University tuition is $9,465 per year for in-state residents. This is 43% more expensive than the national average public four year tuition of $6,614. The cost is 58% cheaper than the average Illinois tuition of $22,453 for 4 year colleges.
Out of 4,348 incoming freshmen who enrolled at Northern Arizona University last year, 3,633 students received some type of financial aid package. 1  Grant Aid: 3,040 incoming freshmen received $8,780 on average in grant aid.  Loan Aid: 2,401 incoming freshmen took $6,250 on average in federal student loan.