title: Perspective on contact lenses: using contact lenses as a tool for understanding.
mesh_terms: D000222:Adaptation, Physiological; D001036:Aphakia, Postcataract / Q000628:therapy*; D003263:Contact Lenses, Hydrophilic; D005139:Eyeglasses; D006801:Humans; D007910:Lenses, Intraocular; D014792:Visual Acuity