Myopia is afraid of light is what reason causes

Myopia is myopia, eye fear of light is considered to be caused by eye fatigue, drug factors and keratitis.

One, eye fatigue: myopia patients with long-term, excessive use of the eye will cause visual fatigue, leading to ciliary muscle spasm, so that the ocular surface mucosa congestion, ocular surface immune protective barrier weakened will appear afraid of light phenomenon.

Two, drug factors: if the daily use of mydriatic agents, such as atropine, tropicamide, racanisodamine, etc., due to the influence of drugs, will also make patients appear afraid of light phenomenon.

Three, keratitis: some myopic people like to wear contact lenses, if do not pay attention to eye cleanliness and hygiene, easy to cause keratitis, resulting in eye fear of light symptoms.