In this task, you will be given a single sentence or a set of sentences. You have to recognize the name of the disorder or disease. Disease is a disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location and is not simply a direct result of physical injury. Although there might be several correct answers, you need to write one of them.
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Question:  METHODS : A series of tests on various parameters of visual function and driving simulator performance were performed on 12 healthy drivers , before and after pupil dilation using guttae tropicamide 1 % .

Answer: pupil dilation


Question:  The effect of pupil dilation with tropicamide on vision and driving simulator performance .

Answer: pupil dilation


Question:  A case of bilateral optic neuropathy in a patient on tacrolimus ( FK506 ) therapy after liver transplantation .

Answer:
optic neuropathy