Eye muscles
Eye Muscles
The Eye Muscles (pronunciation: /aɪ mʌsəlz/) are a group of six muscles that control the movements of the eye. These muscles allow the eye to move in various directions and focus on different objects. The eye muscles are integral to the visual system and are essential for maintaining proper eye alignment and binocular vision.
Etymology
The term "Eye Muscles" is derived from the Latin words "oculus" meaning "eye" and "musculus" meaning "little mouse", which is a reference to the muscle's appearance and movement.
Types of Eye Muscles
The six eye muscles are divided into two groups: the four Rectus muscles and the two Oblique muscles.
- Rectus muscles (pronunciation: /ˈrɛktəs mʌsəlz/): These include the Superior rectus, Inferior rectus, Lateral rectus, and Medial rectus. They are responsible for the primary movements of the eye.
- Oblique muscles (pronunciation: /oʊˈbliːk mʌsəlz/): These include the Superior oblique and Inferior oblique. They control the secondary and tertiary movements of the eye.
Related Terms
- Strabismus (pronunciation: /strəˈbɪzməs/): A condition in which the eyes do not properly align with each other when looking at an object. It is often caused by an imbalance in the eye muscles.
- Nystagmus (pronunciation: /nɪˈstæɡməs/): A condition of involuntary eye movement, which may cause the eye to rapidly move from side to side, up and down, or in a circle. It can be caused by a problem in the controlling muscles of the eye.
- Diplopia (pronunciation: /dɪˈloʊpiə/): Also known as double vision, it is a symptom of several conditions, including problems with the eye muscles.
- Ophthalmoplegia (pronunciation: /ˌɒfθælˈmoʊpliːdʒiə/): A condition characterized by weakness or paralysis of the eye muscles.
External links
- Medical encyclopedia article on Eye muscles
- Wikipedia's article - Eye muscles
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