Version (eye)
Encyclopedia
A version is an eye movement involving both eye
s moving synchronously and symmetrically in the same direction.
Human eye
The human eye is an organ which reacts to light for several purposes. As a conscious sense organ, the eye allows vision. Rod and cone cells in the retina allow conscious light perception and vision including color differentiation and the perception of depth...
s moving synchronously and symmetrically in the same direction.
- Dextroversion / right gaze
- Laevoversion / left gaze
- Sursumversion / elevation / up gaze
- Deorsumversion / depression / down gaze
- Dextroelevation / gaze up and right
- Dextrodepression / gaze down and right
- Laevoelevation / gaze up and left
- Laevodepression / gaze down and left
- Dextrocycloversion - top of the eye rotates to the right
- Laevocycloversion - top of the eye rotates to the left
See also
- Cyclovergence
- DuctionDuctionA duction is an eye movement involving only one eye. There are generally six possible movements depending upon the eye's axis of rotation:#Abduction refers to the outward movement of an eye.#Adduction refers to the inward movement of an eye...
- Extraocular musclesExtraocular musclesThe extraocular muscles are the six muscles that control the movements of the eye . The actions of the extraocular muscles depend on the position of the eye at the time of muscle contraction.-List of muscles:-Importance:...
- Eye examinationEye examinationAn eye examination is a battery of tests performed by an ophthalmologist, optometrist, or orthoptist assessing vision and ability to focus on and discern objects, as well as other tests and examinations pertaining to the eyes....
- VergenceVergenceA vergence is the simultaneous movement of both eyes in opposite directions to obtain or maintain single binocular vision..When a creature with binocular vision looks at an object, the eyes must rotate around a vertical axis so that the projection of the image is in the centre of the retina in both...