Installing Cylinder Sleeves. Damaged and worn cast iron and aluminum engine blocks have long been repaired using dry sleeves. Installing a repair sleeve can often save the block if a cylinder has excessive taper wear, or is cracked, scored or otherwise damaged, and boring out the damaged cylinder.
If you have a collagen vascular disease, your immune system causes inflammation in your collagen and nearby joints. Several collagen vascular diseases, including lupus, scleroderma, and rheumatoid arthritis, are more common in women than in men. This group of diseases usually affects adults in their 30s and 40s.
One cause is vitreous traction and the other is inflammation. With vitreous traction, there is an abnormal connection between the vitreous (the gel that fills the eye) and the macula. In this situation the vitreous gel tugs on the macula causing the cystoid macular edema. The other cause of CME, inflammation, is by far more common. The inflammation can be caused by an eye injury, eye surgery, or a number of other eye diseases. It most commonly occurs after cataract surgery.