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Le test de duction forcée affirme le diagnostic. Most patients are diagnosed by the age of 10 years and DS is more common in girls (60 percent of the cases) than boys (40 percent of the cases). What is Duane syndrome? Thanks :). We suggest that this entity be classified as type 4 Duane syndrome, because it has unique findings and an innervation pattern that differs from the other 3 recognized types. In fact, I was born with a rare eye condition that a few people know about. Co-contraction of the medial and lateral recti allows the globe to slip up or down under the tight lateral rectus producing the up and down shoots characteristic of the condition. Duane syndrome is a congenital rare type of strabismus most commonly characterized by the inability of the eye to move outwards. Occasionally, surgery is not needed during childhood, but becomes appropriate later in life, as head position changes (presumably due to progressive muscle contracture). It has been know to exist for more than 100 years. When the eye moves inward, the eyelid will close partially, and … Le traitement médical est classique et basé sur la surveillance de l’amblyopie, de la déviation, du torticolis et de la vision stéréoscopique. Type 2 Duane syndrome is rare, and often associated with exotropia. These syndromes are characterized by thumb alteration, radial deviation of … People with DS have a limited and sometimes absent ability to move their eye outward toward the ear (ie, abduction), and in most cases, they have a limited ability to move the eye inward toward the nose (ie, adduction). DS is a miswiring of the eye muscles, causing some eye muscles to contract when they shouldn’t and other eye muscles not to contract when they should. Duane syndrome (DS) is a rare eye disorder some people are born with. In most patients, DS is diagnosed by the age of 10 years. The combination of the 3 findings was earlier referred to as 'acro-renal-ocular syndrome.' A genetic cause for individuals with DRRS (Duane radial ray syndrome; Okihiro Syndrome), that is Duane syndrome (unilateral or bilateral) with a skeletal change of radial dysplasia (unilateral or bilateral) ranging from most commonly thumb hypoplasia to most severely a phocomelic limb (similar to that seen in thalidomide cases), has been found. 22 It has been postulated that the gene responsible for the disease is incompletely penetrant, with variable expressivity. A 20 year old Hindu male presented to our outpatient department with chief complains of fleshy mass in both inter-palpebral regions with F.B. This unusual congenital form of strabismus was first described by Duane (1905), who collected reports of 54 cases.The condition is bilateral in 20% of cases. Mellor D, Richardson J, Douglas D. Goldenhar … A rare case of Duane's retraction syndrome: Type 3 with exotropia and nystagmus Anubhav Chauhan Department of Ophthalmology, Dr. Yashwant Singh Parmar Govt. 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