Changes of Trace Elements in Aqueous Humor, Blood and Tears and Analysis of Related Factors

Inclusion Criteria

• •\- If you meet the following conditions, you can participate in our study and become a subject in the case group:
• •1. those who are over 50 years old and can complete all the examinations and examinations.
• •2. other secondary and developmental factors have been excluded and diagnosed as primary glaucoma.
• •3. before anti-glaucoma surgery, you can take part in blood sampling examination and collect sufficient tears, and sufficient aqueous humor can be collected during the operation.
• •If you meet the following conditions, you can participate in our study and become a subject in the disease control group:
• •1. those who are over 18 years old and can complete all the tests and examinations.
• •2. other factors have been excluded and age-related cataract has been clearly diagnosed.
• •3. before cataract surgery, you can take part in blood sampling examination and collect sufficient tears, and sufficient aqueous humor can be collected during the operation.
• •If you meet the following conditions, you can participate in our study and become a normal control group:
• •1. those who are over 50 years old and can complete all the tests and examinations.
• •2. No previous history of ophthalmopathy (except ametropia, strabismus and age-related cataract).
• •3. normal eye examination (intraocular pressure \< 21mmHg, chamber angle open, cup / plate ratio normal, visual field normal).
• •4. can cooperate with those who take part in blood test and collect enough tears. -