title: Recognizing limitations.
authors.forename: P B
authors.initials: PB
authors.lastname: Freeman
mesh_terms: D001766:Blindness / Q000517:prevention & control; D003657:Decision Making; D005901:Glaucoma / Q000628:therapy*; D006801:Humans; D009885:Ophthalmology / Q000379:methods*; D009907:Optometry / Q000379:methods*; D010414:Pennsylvania; D012017:Referral and Consultation / Q000592:standards