Vitrectomy Surgery. updated. Sometimes, a vitreous hemorrhage can clear up on its own. If vision does not improve, vitrectomy surgery may be necessary. A vitrectomy is a surgical procedure that is performed to remove the clouded vitreous gel in the center of the eye.
Hail is generally associated with spring thunderstorms but may occur at any time of year. Hail is formed in huge thunderhead (cumulonimbus) clouds (Munez, 2000). During days when the soil is heated by the sun, the air near the ground also is heated.
Hail is precipitation in the form of balls (ice pellets) or pieces of ice, commonly ranging from Â¼ to 4 inches in size (the largest on record in modern times was 5Â½ inches in diameter and weighed 1Â½ pounds).