Severe acute angle-closure glaucoma can cause lens changes, with translucent porcelain white or milky white cloudy spots visible under the anterior capsule of the lens in the pupil area, called glaucoma spots. What are the clinical manifestations of glaucoma spots and how to diagnose them? In the early stage of the disease, it may appear as large lamellae. As the IOP decreases, this lamellar clouding may appear partially re-transparent, resulting in a dotted, flocculent or hemispherical shape. The typical variation is an oblong or punctate clouding, located at the end of the lens fibers. It tends to be distributed along the lens fiber sutures and is therefore often radiolucent. In some milder lesions, only a few scattered dots appear in an irregular arrangement. The occurrence of glaucomatous spots is thought to be the result of a nutritional disorder caused by high intraocular pressure. With increasing age, glaucomatous spots can be pushed deeper by the hyaline cortex. These spots are clouded without appearing in the posterior lens cortex and in front of the lens obscured by the iris. Glaucoma spots are of value for the diagnosis of acute closed-angle glaucoma, especially retrospectively. 1. Gastrointestinal disorders Because acute attacks of acute closed-angle glaucoma may present with severe headache and gastrointestinal symptoms, they may mask the ocular condition and be misdiagnosed as internal or other medical disorders and delay treatment. To avoid this, it is important for non-ophthalmologists to have basic knowledge of acute angle-closure glaucoma. 2, secondary glaucoma In addition to acute closed-angle glaucoma, blood shadow cell glaucoma, lens expansion, lens dissolution, lens subluxation caused by glaucoma, neovascular glaucoma, secondary glaucoma caused by uveitis can cause an acute increase in intraocular pressure, even leaving signs of ocular damage caused by high intraocular pressure, in order to distinguish from the above cases, the most important is to make the contralateral eye In primary angle-closure glaucoma, both eyes often have the same anatomical features, but if the contralateral eye is not found to have the same features, further examination should be performed to make a differential diagnosis. This disease is a type of glaucoma in which certain physical, mental and environmental factors cause acute closure of the atrial angle in sensitive people, which leads to an increase in intraocular pressure, so psychological adjustment is very important in prevention.