TY - GEN AU - Hemphälä,H AU - Nylén,P AU - Eklund,J TI - Optimal correction in spectacles: intervention effects on eyestrain and musculoskeletal discomfort among postal workers SN - 1875-9270 PY - 2015///0413 KW - Adult KW - Asthenopia KW - prevention & control KW - Eyeglasses KW - Female KW - Humans KW - Male KW - Middle Aged KW - Musculoskeletal Pain KW - Occupational Diseases KW - Postal Service KW - Posture KW - Vision Disorders KW - therapy N1 - Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.3233/WOR-131773 ER -