Severe acute closed-angle lens glaucoma can cause lens changes, with translucent porcelain or milky white cloudy spots, called glaucoma spots, visible under the anterior capsule of the lens in the pupillary area. Severe acute closed-angle glaucoma can cause lens changes, with translucent porcelain or milky white cloudy spots visible under the anterior capsule of the lens in the pupil area. Preventive measures for lens glaucoma spots: 1, keep a relaxed mood, avoid excessive emotional fluctuations, lens glaucoma spots the main triggering factor is long-term bad mental stimulation, irritability, depression, anxiety, panic. 2, life, diet and living regular, work and rest, moderate physical exercise, do not participate in strenuous sports, maintain the quality of sleep, diet light and nutritious, prohibit tobacco, alcohol, strong tea, coffee, appropriate control of water intake, not more than 1000-1200ml per day, a one-time drinking water shall not exceed 400ml. 3, pay attention to eye hygiene, protect the use of eyes, do not read in Do not read under strong light, stay in the dark room for too long, the light must be sufficient and soft, do not overuse the eyes. 4.Comprehensive regulation of systemic complications. 5, pay attention to the impact of drugs. 6.Women with menopause, menopause, and dysmenorrhea but elevated intraocular pressure should be paid great attention to, if glaucoma performance during menstruation, should promptly see a specialist. 7, glaucoma family and risk factors, must be regularly reviewed, once the onset of signs, must actively cooperate with the treatment to prevent the sudden loss of visual function.