The superior rectus is an eye muscle, controlling the eye as it moves up. This muscle is among four muscles — including the medial rectus, lateral rectus, and the inferior rectus — which control the ...

Reviewed by Clifton M. Jackness, MD, Adjunct Clinical Assistant Professor, Department of Medicine, Division of Endocrinology, Diabetes, Obesity, and Metabolism, NYU School of Medicine, NY, NY ...

The orbit is a confined space bounded by four bony walls. Apart from the globe, orbital fat, and extraocular muscles it contains many important neurovascular structures. It is intimately related to ...

Superior rectus (SR) to levator palpebrae superioris (LPS) synkinesis has recently been described in patients with congenital or longstanding ptosis. 1, 2 However, aberrant innervation between lateral ...

E.K., a 60-year-old missionary working in Ecuador, developed sudden mild pain, diplopia and mild proptosis in her right eye. She was seen by local physicians who made a diagnosis of right frontal ...

The medial rectus muscle is the largest of the eye’s extraocular movement muscles, six individual muscles that surround the eye and help control the eye’s movement. The other five extraocular muscles ...