'Can’t see, can’t pee, can’t climb a tree'

What does this old saying indicate about this patient?
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A 31-year-old female presents to the ED with a two-day history of pain on urination and discomfort in her left knee and heel.

She also complains of right eye pain, which is exacerbated by reading and bright lights.

She has recently recovered from a gastrointestinal illness — two weeks earlier — but is otherwise healthy.