Optical image measurement device and optical image measurement method

An optical image measurement device comprising:

• an optical system configured to project a light to an eye and detect a light reflected by the eye;
• a calculator configured to obtain intensity distribution of the reflected light in the eye, based on a result of the detection by the optical system;
• a determining part configured to specify a region of smaller intensity than a threshold in the obtained intensity distribution and to determine a projection position of a signal light to the eye to exclude a specified area from the projection position;
• an interference-light generator configured to generate an interference light by splitting a low-coherence light into a signal light and a reference light, projecting the signal light to the determined projection position, and superimposing the signal light having passed through the eye and the reference light having passed through a reference object;
• a detector configured to detect the generated interference light;
• and
• an image forming part configured to form an image of the eye, based on a result of the detection of the interference light.

An optical image measurement method comprising:

• generating an interference light by splitting a low-coherence light into a signal light and a reference light and superimposing the signal light having passed through an eye and the reference light having passed through a reference object;
• detecting the generated interference light;
• obtaining intensity distribution of the interference light in the eye based on a result of the detection;
• determining a projection position of the signal light to the eye to exclude a specified area from the projection position;
• projecting a new signal light based on a new low-coherence light toward the determined projection position;
• generating a new interference light by superimposing a new signal light having passed through the eye and a new reference light based on the new low-coherence light;
• detecting the generated new interference light;
• and
• forming an image of the eye, based on a result of the detection of the new interference light.

An optical image measurement method comprising:

• projecting a light to an eye and detecting a light reflected by the eye;
• obtaining intensity distribution of the reflected light in the eye based on a result of the detection;
• determining a projection position of the signal light to the eye to exclude a specified area from the projection position;
• generating an interference light by splitting a low-coherence light into a signal light and a reference light, projecting the signal light to the determined projection position, and superimposing the signal light having passed through the eye and the reference light having passed through a reference object;
• detecting the generated interference light;
• and
• forming an image of the eye based on a result of the detection of the interference light.