Anatomy. The lateral collateral ligament (LCL) is a one of the four major ligaments in the knee. The LCL is on the outside of the knee connecting the thighbone (femur) to the smaller bone in the lower leg (fibular). Its main function is to avoid varus stress across the knee (where the knee buckles outwards).
49 Responses to âPSA: LED-Backlighting Can Cause Migraine Headachesâ. 1  They should responsible to customer health. 2  Regarding eye strain and headache due to led backlightâ¦. 3  I am sensitive to both flicker and fluorescent light.  There appear to be lots of posts on the internet regarding screens that cause migraines.
Migraine Headaches Caused by Light Sensitivity. Over 90% of migraine sufferers are sensitive to light.[1,2] During a migraine attack, sufferers are bothered by light and prefer to be in a dark room. Migraineurs are particularly sensitive to non-incandescent indoor lighting sources such as fluorescent lights, computer monitors, and gas-vapor lamps.