I have a ton of these things. I used to think they were inflamed and knotted muscles, but my massage therapist tells me otherwise. I have a hard time telling which lumps are lipomas and which ones are myofascial trigger points, especially since most of them are in my back, so I'm not sure if any of mine are painful.
Humidity. The most common cause of condensation on double-glazed windows is humidity. The outside window is colder than the inside window causing fog or frost to build up in-between the two panes. The window and house is extremely airtight and cannot breath.
The double vision is caused by the abnormal surface of the eye distorting incoming light. 1  Keratoconus is the most common cause of double vision in an individual eye that is not corrected with glasses.  Infections of the cornea, such as herpes zoster (shingles) or herpes simplex can distort the cornea.