Many people us a magnifier to more accurately measure the amount of insulin drawn into a syringe. They may use a hand-held magnifying glass or a free-standing lighted magnifier such as the one shown at the link below[1]. BD Diabetics also makes a magnifying device[2] that fits certain insulin vials and magnifies the readings on the syringe when inserted into the vial. It has been reported that that magnifier does not allow short needles on insulin syringes to reach into the vial.
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