Abstract: An apparatus and a method for measuring blood flow of vessels are provided. The apparatus includes a light source, a light splitting module, a reference arm module, a sample arm module, a probing module, and a control system. The sample arm module includes a scanning unit and an optical-path shifting device. A probe light is obtained from the light splitting module, and a central line of a main light of the probe light extends through a rotation axis of the scanning unit. The probe light is reflected by the scanning unit to the optical-path shifting device. When the optical-path shifting device is rotated between a first position and a second position respectively, the probe light scans a vessel in fundus to obtain a first phase shift signal and a second phase shift signal blood flow rates and total blood flow of all the vessels near an optic disc are determined.

Abstract: An apparatus and a method for evaluating quality of binocular vision of a subject are presented. The apparatus includes a beam source generating a measurement beam which is directed to a first beam splitter; the first beam splitter for generating a first beam which is directed to a first eye, and a second beam which is directed to a second eye; a first optical micro-lens array for receiving a first return beam from the first eye to form a first plurality of light spot images; a first imaging unit for receiving the first plurality of light spot images; a second optical micro-lens array for receiving a second return beam from the second eye to form a second plurality of light spot images; a second imaging unit for receiving the second plurality of light spot images.

Abstract: An apparatus and a method for measuring blood flow of vessels are provided. A light source, a light splitting module, a reference arm module, a sample arm module, a probing module, and a control system are arranged; the sample arm module includes a scanning unit and an optical-path shifting device; a probe light is obtained from the light splitting module, and a main light of the probe light is on a rotating shaft of the scanning unit; the probe light is reflected by the scanning unit to the optical-path shifting device, when the optical-path shifting device is in a first position and in a second position respectively, the probe light scans a vessel in fundus to obtain a first phase shift signal and a second phase shift signal blood flow rates and total blood flow of all the vessels near an optic disc are determined.