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.
What time of the year are earthquakes most likely to happen? Earthquakes are not a seasonal phenomenon and so the time of year has no effect on the occurrence of earthquakes. As such, earthquakes can happen at any time of the year as thâ¦ey occur independent of weather and climate. 8 people found this useful.