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.
The migraine with which the lay public is familiar involves headache and sometimes involves having a warning called an aura. The aura can be many things. Most commonly, it is a transient visual disturbance such as zigzag lights, halos, bright spots, and associated dimness of vision which may last 5-30 minutes.