People with vision problems should be aware that cold weather could impact the comfort they feel from contact lenses.
Eyecare Trust director Rosie Gavzey explained central heating, winter winds and low temperatures can dry the eyes, which can make contact lenses less pleasant to wear.
She advised people to use the advice given to them by the international healthcare provider, optometrist or manufacturer when using the lenses, arguing this can help to reduce levels of discomfort.
Some of the issues the specialist advised people to consider included "wearing time restrictions and contact lens care".
Looking after the lenses in this manner should make them better at conducting oxygen, which will improve comfort and minimise irritation, Ms Gavzey remarked.
Illegally-sold contact lenses can also have a negative impact on eye health, the Eyecare Trust recently said.
Novelty devices, including non-prescription lenses, ought to be supplied by registered optometrists, medical practitioners or dispensing options with adequate qualifications, the charity remarked.
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