1. Contact lenses it take more time to be adapted to contact lenses than converional eyeglasses 2. contact lenses need to be handled more carefully following certain hygienic procedures, especially those made of soft lenses which tear easily 3. Contact lenses are much easier to be lost due to their size and nature. 4. contact lenses command a price higher than the regular eyeglasses 5. Contact lenses can make your eyes much easier to be infected and cause eye diseases.