Patients who look at the light at night are all rays refers to patients with the manifestation of glare, may be astigmatism, keratitis, cataracts and other causes.
1. Astigmatism: Astigmatism is a refractive irregularity of the eye, related to the curvature of the cornea. Patients may experience discomfort such as double vision, and if they encounter bright light stimulation, they may experience glare, so patients may feel all rays when looking at lights at night.
2. Keratitis: when the patient suffers from keratitis, corneal edema can occur, when the light penetrates into the cornea, the patient may experience discomfort symptoms such as glare, the night light is stronger, the patient may appear to look at the light is all rays of the performance.
3. Cataract: cataract patients with lens clouding, because the degree of clouding is different, resulting in uneven refraction of the lens, appearing similar to the role of prisms, which may lead to patients at night to see the light is all rays of the performance.
It is recommended that patients with night vision discomfort seek medical attention to evaluate their condition and follow medical advice.