• How do you measure the size of pannus under a slit lamp?


    Question:

    How do you measure the size of pannus under a slit lamp?


    Answer:

    Sizes of lesions such as pannus (a growth of small blood vessels on the normally clear cornea, or outer layer of eye) can be accurately measured using a slit lamp by adjusting the length of the slit beam. There is a ruler next to the adjustment knob of the slit beam that is visible to the doctor or technician.


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