Installing a central air conditioner costs on average $2650, although it can cost as much as $15,000. This installation cannot be considered a DIY project, and it is traditional for a homeowner to hire a contractor for the job. Cost breakdown.
If the light blue iris ring you are seeing is at or near the margin between the iris (colored part of your eye) and the sclera (white part) and forms a large ring around that margin it is likely to be a deposit of cholesterol. It does not damaging to the eye and does not interfere with vision.
COMMON CAUSES OF ABNORMAL EYE DISCHARGE. Conjunctivitis: Also known as pink eye, conjunctivitis will cause your eyes to feel itchy, irritated, and gritty, and produces green, white, or yellow eye mucus that results in severe crusting. Conjunctivitis could make your eyes feel as if they are glued shut upon your waking.