The instrument checks whether it can judge conjunctivitis

Instrument examination can determine whether there is conjunctivitis.

Suspected conjunctivitis can be examined by slit lamp, slit lamp is a commonly used ophthalmology examination instrument, this instrument has a magnifying function, you can clearly see the conjunctiva, cornea, pupil, lens and vitreous body before 1/3 and other structures whether there is abnormal situation, so through slit lamp examination can determine whether there is conjunctivitis. However, if you want to further clarify what kind of pathogen infection caused conjunctivitis, you need to check conjunctival secretions.