<prompt> Methods to measure errors of refraction are all exceptRetinoscopyRefractometryKeratometryBinocular balancing  <response>: The final step in the subjective refraction is called Binocular Balancing - a process which is known as sometimes Equalizing the accomodative effo or spherical equalization This allows both eyes have the retinal image simultaneously in focus. Reference: AK khurana 7th edition 