Task sheet 11 of 14
Masks with glasses and hearing aids: fogging, ear loops and lip reading
Glasses fog and hearing aids get knocked loose for specific, fixable reasons. This sheet sets out what eye and hearing specialists and a peer-reviewed paper suggest, with their dates.
Two common problems turn up when people who wear glasses or hearing aids put on a mask: lenses that mist over, and ear loops that tug at the devices behind the ear. This sheet covers the causes of fogging and the fixes that eye specialists and a published paper describe, alternatives to ear loops from audiology sources, and what is said about lip reading and clear masks. These are general suggestions. An optometrist, ophthalmologist or audiologist can advise on your own glasses or devices.
Why glasses fog
A 2021 paper in Case Reports in Orthopedics, "Mask-Related Glasses Fogging" (Dankert and Virk, published 8 August 2021), explains that moisture-laden breath is directed toward the lenses, where warm water vapour meets a colder lens and turns into a layer of droplets. It names a poorly fitting mask as the primary reason for fogging. The authors raise fogging as a possible contributor to falls, which is a reason to treat it as more than an annoyance when you are walking or on stairs.
That points to the fit at the top of the mask, near the lenses. The same gap matters for protection, as how masks and respirators work explains.
Fixes for fogging
As at 22 January 2021, the American Academy of Ophthalmology offered several tips, which the paper's authors discuss with their drawbacks.
- Shape the top edge of the mask over your nose by pinching the nosepiece, and tighten the sides if the mask allows. The paper notes that a metal clip improves the seal but can cause skin reactions after long wear.
- Move the glasses. AAO suggests pushing them forward on the nose for airflow, or pulling the mask up over the nose and resting the glasses on top to block escaping air. If you do this, check that the mask still fits and covers nose and mouth fully.
- Seal the top edge with tape. AAO names medical or athletic tape. The paper warns that repeated tape use can cause a rash on sensitive skin and leave pigment changes with chronic use.
- Wash the lenses with soap and water before wearing them. AAO says this may keep droplets from forming, and the paper adds that too much soap residue can impede vision and the effect does not last.
- Try an anti-fogging solution. AAO lists it, and the paper notes that sprays and gels need repeat application and can be costly, with permanent coatings available for some lenses.
For a respirator, CDC's N95 page (reviewed 12 March 2025) treats fogging glasses during a seal check as a sign the respirator is not snug: adjust it and try again, or try a different size or style. The method is in fit and seal. If tape, clips or a mask edge irritate the skin, see mask-related headaches and skin irritation.
Ear-loop alternatives for hearing aids
An audiologist writing for Henry Ford Health on 5 December 2020 suggested that people whose behind-the-ear aids clash with ear loops try a mask that ties around the head. The post also describes headband solutions where the mask hooks over a button above the ear, and a fabric strip with two buttons sewn on to anchor the mask behind the head.
Boys Town National Research Hospital, on an undated page opened 11 October 2026, gives similar advice: a four-string mask that ties behind the head, or a button extension or extender worn at the base of the head. It warns that a hearing aid can fall off or break when a mask is removed, so check it is still in place during and afterwards, and contact your audiologist if one is lost or damaged. Henry Ford adds that a hearing professional can fit a retention line or a custom earmold to help anchor an aid.
Respirators differ from ear-loop masks. CDC's N95 page describes straps that go over the head, one near the crown and one at the back of the neck, rather than loops. Fitting and removal are in putting on and taking off a mask.
Lip reading and clear masks
As at 11 May 2023, CDC's archived guidance said people who are deaf or hard of hearing may consider a clear mask or a cloth mask with a clear panel. If one is not available, it suggested written communication, closed captioning, or reducing background noise.
The pages opened for this sheet do not rate the filtering performance of clear masks, so no claim is made about protection. If protection and lip visibility both matter, discuss your situation with an audiologist or occupational-health adviser, and see types of masks and respirators for what the standards cover.
The short version
Fogging comes from warm breath reaching the lenses, so a better fit at the nose, a shifted pair of glasses, tape or a coating are the options eye specialists describe, each with limits. For hearing aids, head-tied masks and button bands avoid ear loops, and a clear panel helps lip readers. Seek advice from an eye or hearing professional if problems persist.