We report four unusual cases of upper eyelid retraction following periorbital trauma. Four previously healthy patients were evaluated for unilateral upper eyelid retraction following periorbital trauma. A 31-year-old man (Case 1) and a 24-year-old man (Case 2) presented with left upper eyelid retraction which developed after blow-out fractures, a 44-year-old woman (Case 3) presented with left u...

PURPOSE To study the neuroanatomic characteristics of patients with Duane's retraction syndrome with high-resolution magnetic resonance imaging. METHODS The study included 11 consecutive cases, including five patients with type I, one patient with type II, four patients with type III, and one patient with inverse Duane's retraction syndrome. The patients underwent magnetic resonance imaging o...

PURPOSE To establish the surgical results and residual symptoms in 48 cases with unilateral congenital superior oblique muscle palsy that had surgical intervention to the vertical muscles alone. METHODS Myectomy and concomitant disinsertion of the inferior oblique (IO) muscle was performed in 38 cases and myectomy and concomitant IO disinsertion and recession of the superior rectus muscle in ...

PURPOSE The purpose of this study was to investigate the myotoxicity of bevacizumab on extraocular muscles in a rabbit model. METHODS Thirty New Zealand white rabbits were used for this study. The animals were evenly divided into two groups. In the first group, 15 rabbits were treated with intramuscular injections of bevacizumab (1.25 mg/0.05 mL) in the right superior rectus muscle and normal...

The conventional exposure of a horizontal rectus muscle is through conjunctival and Tenon's capsule incisions directly over the muscle. This results in a visible scar and in some patients is conspicuously unattractive. Therefore, a surgical method that hides the scar behind the eyelid should be welcomed by both the surgeon and patient. To accomplish this objective the medial and lateral rectus ...

We present the unusual case of a 74 year-old female with a history of breast cancer who presented with acute painless orbital swelling and vertical diplopia. MRI revealed a focal enhancing mass within the superior rectus muscle. As the concern for metastatic disease was high, surgical biopsy was performed and revealed an unusual mimicker of metastatic disease, the parasitic infection dirofilari...

In a case of alobar holoprosencephaly, a neonate who died several minutes after birth was found to have multiple facial and intracranial malformations, including cyclopia. Postmortem MR and CT findings included a single midline orbit, with two globes that contained separate lenses supplied by a single optic nerve. There were two separate superior orbital fissures and two separate lateral rectus...

A case is reported in which an 11-year-old girl developed progressive ptosis and a subsequent motility disorder of the right eye. The diagnosis linear scleroderma en coup de sabre was established. Atrophy of the upper levator palpebral and superior rectus muscle could be shown on CT scan.