期刊
OCULAR SURFACE
卷 19, 期 -, 页码 252-265出版社
ELSEVIER
DOI: 10.1016/j.jtos.2020.10.001
关键词
Digital displays; Computer vision syndrome; Ocular surface; Tear film; Dry eye disease
资金
- Ministerio de Educacion, Cultura y Deporte (Spain) [FPU17/03665]
- Conselleria d'Educacio, Investigacio, Cultura i Esport de la Generalitat Valenciana (Spain) [GV/2018/059]
- University of Valencia (Spain) [UV-INV-PREDOC18F2-886420]
The use of digital displays is linked to an increase in dry eye symptoms, including abnormal blinking, incomplete eyelid closure, increased palpebral fissure, and meibomian gland dysfunction, leading to reductions in tear volume and stability, and significant ocular surface damage.
Digital display use has been accepted to be implicated as a contributing factor for dry eye disease (DED). Abnormal blinking during computer operation, including a reduced blink rate and an incomplete eyelid closure, increased palpebral fissure as consequence of high visualization angles, and meibomian gland dysfunction associated to long-term display use, are behind the increased prevalence of dry eye signs and symptoms found in digital display users. Previous research reveals significant reductions in tear volume and stability, alterations in tear film composition, including increased osmolarity, inflammatory cytokines, oxidative stress markers and reduced mucin secretion, eyelid abnormalities and ocular surface damage, encompassing corneal and conjunctival staining and bulbar redness, as a direct consequence of digital display use. In this regard, individual differences in the way that the various digital displays are typically set up and used may account for differences in their effects on induced dryness signs and symptoms. Furthermore, factors such as the use of contact lenses or inappropriate working environments, usually accompanying the use of displays, may significantly increase the prevalence and the severity of induced dry eye. Other factors, such as old age and female gender are also relevant in the appearance of associated alterations. Finally, clinicians should adopt a treatment strategy based on a multidirectional approach, with various treatments being applied in conjunction.
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