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Contact lens better than spectacles for correcting vision while using face masks
In the recent Covid - 19 pandemic face masks were thought to be effective because they reduce viral transmission, their usage was made compulsory in control of pandemic.
Face masks have been associated with a range of deleterious consequences such as dry eye, spectacle lens fogging, itchiness , skin allergies, breathing difficulties, disturbed peripheral vision and headaches .
A randomised study by Carole Maldonado-Codina and team revealed that Contact Lens (CL) are a better vision correction option than Spectacles (Sp) when used in conjunction with a face mask. A range of benefits to the CL/face mask combination for vision-related symptoms, breathing and heat-related symptoms.
The findings of the study are published in Contact Lens and Anterior Eye.
The objective of the study was to test the hypothesis that various subjective ocular and task-related parameters associated with wearing a face mask would be better in neophyte contact lens (CL) wear compared to habitual spectacle (Sp) wear.
The study was randomized study including 33 participants where 15 continued in Sp or wear somofilcon. 15 used a daily disposable CL . A surgical face mask (Type II R) was worn for at least one hour per day on four or more days per week. After two weeks, participants completed the Quality of Life Impact of Refractive Correction Questionnaire (QIRC), a two-part face mask usability questionnaire and graded ocular-related symptoms using 0–100 visual analogue scales.
The results of the study were
• There was no difference between groups for overall QIRC score but some individual question scores reflected better quality of life in the CL in outdoor activities and fitness (all p < 0.05).
• Differences in favour of the CL were seen for the following in the face mask usability questionnaire: 'breathing', 'heat', 'comfort on ears', 'overall comfort', 'walking', 'driving', 'reading', 'computer use', 'exercising' and 'socialising' (all p < 0.05).
• Significant differences were also seen for the 0–100 VAS symptoms probing vision quality in favour of the CL: glare, distance and near vision, fogging, restricted field of view and peripheral blur.
Codina and team concluded that their work supported anecdotal reports that CL are a better vision correction option than Sp when used in conjunction with a face mask. All of the benefits relating to the CL were likely to result in improved adherence to face mask use. Overall, the findings of this work suggest that where possible, CL should be the preferred vision correction option for people using face masks.
Reference:
Medical Dialogues consists of a team of passionate medical/scientific writers, led by doctors and healthcare researchers. Our team efforts to bring you updated and timely news about the important happenings of the medical and healthcare sector. Our editorial team can be reached at editorial@medicaldialogues.in.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751