by Ryan Guina. Total cost of Wii: almost $1000. This figure assumes the purchase of a Nintendo Wii system at $160 (which is currently the easiest way to purchase it), Dance Dance Revolution game pack ($120), Guitar Hero game pack ($170), 3 extra controllers (3 x $15), and 4 other games (avg of $40 ea = $160).
Your eye continually makes aqueous humor while an equal amount of it flows out of your eye. This keeps a constant healthy eye pressure. If the aqueous humor does not flow out of the eye properly, pressure builds up and causes ocular hypertension. If high pressure causes damage to the optic nerve, it leads to glaucoma. Glaucoma causes vision loss. An eye injury or certain eye diseases can cause ocular hypertension.
Ocular hypertension is an eye pressure of greater than 21 mm Hg. Although its definition has evolved through the years, ocular hypertension is commonly defined as a condition with the following criteria: 1  An intraocular pressure of greater than 21 mm Hg is measured in one or both eyes on 2 or more occasions.