Present the patient with a puzzle of shapes with differing sizes. Ask the patient to put the correctly sized shape into its corresponding cut-out shape. Present the patient with several objects. Ask the patient to estimate each objects size and weight by observation alone. Determine whether the patient has difficulty matching the correctly sized shape to its corresponding cut-out space.
ANSWER: a, c, e. Metamorphopsia involves a visual distortion of the physical properties of objects so that objects appear bigger, smaller, or lighter than they really are.
Reference: Gutman, S; Schonfeld, A. Screening Adult Neurologic Populations (2003) p. 61