“…Some maneuvers including compression on pain region, Valsalva maneuver, extension of the earlobe, chewing, or yawning can provide a relief of %25 in pain intensity. [14][15][16][17] Dry-eye is the most common problem in the air travelers. As air humidity in the cabin of the aircraft is often lower than 20% of humidity rate and the air in the pressurized cabin is dehydrated, dryness in both skin and ocular surfaces usually occur.…”