D2 Objective and Subjective Refraction

Title

Instrument: autorefractometer (objective), retinoscope, phoropter (subjective). Determines the complete optical prescription (sphere, cylinder, axis). Subjective refraction under cycloplegia is the gold standard in children.

ID:4324

gphysics.net - Dr. Willy H. Gerber
Palos Verdes, Costa de Corral, Chile