The COVID-19 pandemic has brought a radical change in safety measures in outpatient clinics. The use of face masks by patients and healthcare workers has become a mandatory norm. Exhaled air with a face mask often follows an upward route. The warm exhaled air leads to fogging of 90/78D lens during fundus examination, hampering visualization. This can be prevented by the use of a simple yet innovative DIY adapter for a 90/78D lens, which can be made using simple household items such as PVC pipes or water hose pipes.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9023971 | PMC |
| http://dx.doi.org/10.4103/ijo.IJO_1986_21 | DOI Listing |
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