Wang Tao, Department of Ophthalmology, Zhongshan Third Hospital, Guangzhou: What are the routine items of vision examination?

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Routine items of vision examination

Vision examination is one of the common examination items in ophthalmology, which is mainly used to evaluate the visual ability of the eye. According to Dr. Wang Tao from the Department of Ophthalmology of Zhongshan Third Hospital in Guangzhou, vision examination usually includes the following routine items:

1. Examination of naked eye vision

The naked eye vision refers to the vision examination without wearing glasses or contact lenses. The patients were asked to cover one eye respectively, and then asked to read letters or symbols of different sizes with standard vision charts (such as Snellen chart) to assess their far vision level. Generally, the smaller the letters or symbols on the vision chart, the better the patient's vision.

Dr. Wang Tao pointed out that naked eye vision examination is the most basic and commonly used vision examination item, which is suitable for evaluating common vision problems such as myopia, hyperopia and astigmatism.

2. Corrected vision examination

Corrected vision refers to the vision examination conducted when corrective glasses or contact lenses are worn. Similar to the naked eye vision test, patients need to read letters or symbols on the vision chart to assess their vision level after wearing corrective glasses or contact lenses.

According to the vision level of the patient after correction, Dr. Wang Tao can determine whether the patient needs to change the degree or type of corrective glasses to improve the patient's visual ability.

3. Intraocular pressure test

Intraocular pressure test is a way to evaluate whether a patient has glaucoma and other eye diseases by measuring the intraocular pressure. Usually, doctors will use the stylus or air blowing method applied to the corneal surface to measure the intraocular pressure.

For patients with high intraocular pressure, Dr. Wang Tao will further carry out fundus examination, visual field examination and other items to determine whether there are eye diseases such as glaucoma, and formulate corresponding treatment plans.

4. Fundus examination

Fundus examination is an examination method to observe and evaluate the ocular structure and lesions by magnifying the fundus image. The doctor will use a special eyeground mirror or camera to observe the patient's eyeground and check whether there is macular degeneration, retinal detachment, vitreous hemorrhage and other diseases.

According to the results of fundus examination, Dr. Wang Tao can give corresponding diagnosis and treatment suggestions to protect patients' vision health.

summary

Vision examination is an important examination item in ophthalmology, which helps to evaluate the visual ability of patients and find eye diseases. Dr. Wang Tao from the Department of Ophthalmology of Zhongshan Third Hospital in Guangzhou introduced the routine items of vision examination, including naked eye vision examination, corrective vision examination, intraocular pressure examination and fundus examination. These examination items can help doctors accurately assess patients' vision problems, and formulate corresponding treatment plans to protect patients' vision health.