Ophthalmic instrument for the measurement of ocular refraction and visual simulation, and associated methods of measurement of ocular refraction, simulation of ophthalmic elements, visual simulation and for obtaining optical parameters

An ophthalmic instrument for measurement of ocular refraction and visual simulation of a subject, that enables binocular simultaneous presentation of visual stimuli and perception thereof through different phase profiles or aberrations, the ophthalmic instrument comprising:

• a system of presentation of binocular stimuli which includes two input pupils;
• two output pupils;
• and
• only one phase modulator, which is optically conjugated with the two input pupils and the two output pupils,
• wherein the optical conjugation is accomplished through lenses or mirrors,
• wherein the phase modulator manipulates the phase over the two output pupils simultaneously,
• wherein operations of the measurement of refraction and simulation of ophthalmic elements or visual conditions done in binocular manner, and
• wherein the phase modulator is a deformable mirror.

An ophthalmic instrument for measurement of ocular refraction and visual simulation of a subject, that enables binocular simultaneous presentation of visual stimuli and perception thereof through different phase profiles or aberrations, the ophthalmic instrument comprising:

• a system of presentation of binocular stimuli which includes two input pupils;
• two output pupils;
• and
• only one phase modulator, which is optically conjugated with the two input pupils and the two output pupils,
• wherein the optical conjugation is accomplished through lenses or mirrors,
• wherein the phase modulator manipulates the phase over the two output pupils simultaneously,
• wherein operations of the measurement of refraction and simulation of ophthalmic elements or visual conditions done in binocular manner,
• wherein the perception of visual stimuli is three dimensional,
• wherein the three dimensional perception of visual stimuli is obtained by alternating occlusion of the eyes, synchronized with a presentation of stereoscopic images on a single screen for the presentation of visual stimuli, and
• wherein occlusion is done by controlled actuation of a matrix of micro-mirrors that actuate as the input pupils of the instrument.

An ophthalmic instrument for measurement of ocular refraction and visual simulation of a subject, that enables binocular simultaneous presentation of visual stimuli and perception thereof through different phase profiles or aberrations, the ophthalmic instrument comprising:

• a system of presentation of binocular stimuli which includes two input pupils;
• two output pupils;
• and
• only one phase modulator, which is optically conjugated with the two input pupils and the two output pupils,
• wherein the optical conjugation is accomplished through lenses or mirrors,
• wherein the phase modulator manipulates the phase over the two output pupils simultaneously,
• wherein operations of the measurement of refraction and simulation of ophthalmic elements or visual conditions done in binocular manner,
• wherein the perception of visual stimuli is three dimensional, and
• wherein the three dimensional perception of visual stimuli is obtained by two objectives, each dedicated to one of two pupils of the subject, which receive light coming from two stereoscopic scenes displayed on two different screens.