According to the description of the disease, different ophthalmic instruments are generally used to check eye diseases. It is suggested that if the eyes are really uncomfortable, you can choose the ophthalmology department of a regular hospital for examination. Generally, you can check your eyesight through an eye chart, check your diopter with a computer optometry instrument, check your cornea, iris and other ocular surface problems with a slit lamp, check your fundus with an ophthalmoscope, and generally have B-ultrasound.