Which of the following instrument is used for recording the change in potential when light falls on the eye?
A. Apexcardiography
B. Ballistocardiography
C. Electro-oculography
D. Electro-retinography
Answer:D
Which of the following instrument is used for recording the change in potential when light falls on the eye?
A. Apexcardiography B. Ballistocardiography C. Electro-oculography D. Electro-retinography
Explanation: It is found that an electrical potential exists between the cornea and the back of the eye. This potential changes when the eye is illuminated. The process of recording the change in potential when light falls on the eye is called electroretinography.