Effect of Unifocal versus Multifocal Lenses on Cervical Spine Posture in Patients with Presbyopia.

CONCLUSION: Multifocal lens spectacles produces increased extension in the cervical vertebrae angles when compared with the use of unifocal lenses. PMID: 29616886 [PubMed - as supplied by publisher]
Source: International Journal of Occupational Safety and Ergonomics - Category: Occupational Health Tags: Int J Occup Saf Ergon Source Type: research