Ebook Clinical orthoptics: Part 2

➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạm

Loại tài liệu: PDF

Số trang: 244 Trang

Tài liệu: ✅ ĐÃ ĐƯỢC PHÊ DUYỆT

TẢI VỀ

Nội dung chi tiết: Ebook Clinical orthoptics: Part 2

Ebook Clinical orthoptics: Part 2

SECTION III10Incomitant StrabismusIncomitant strabismus is strabismus in which the angle of deviation differs depending upon the direction of gaze or

Ebook Clinical orthoptics: Part 2 according to which eye is fixing and is associated with defective movement of rhe eye or with asymmetrical accommodative effort.Ophthalmoplegia is a

group of conditions that have a variety of causative factors, where there is a paresis of two or more of the extraocular muscles.When examining these Ebook Clinical orthoptics: Part 2

patients, the angle of deviation may be different depending on which eye is fixing and how long the deviation has been present.•Primary angle of devia

Ebook Clinical orthoptics: Part 2

tion: The deviation when fixing with the unaffected eye in paralytic incomitant deviation.•Secondary angle of deviation: The deviation when fixing wit

SECTION III10Incomitant StrabismusIncomitant strabismus is strabismus in which the angle of deviation differs depending upon the direction of gaze or

Ebook Clinical orthoptics: Part 2ignificant difference between the primary and secondary angles of deviation. With time, the strabismus becomes less incomitant and it is harder to ass

ess whether it is congenital or long standing. It is often difficult to differentiate between primary and secondary deviations, as relative concomitan Ebook Clinical orthoptics: Part 2

ce usually occurs following long-standing incomitance.AetiologyIncomitant strabismus may be found in association with many disorders. The list below i

Ebook Clinical orthoptics: Part 2

s designed to give an overall idea of the types of condition that can cause incomitance.CongenitalNeurogenic•In association with other congenital deve

SECTION III10Incomitant StrabismusIncomitant strabismus is strabismus in which the angle of deviation differs depending upon the direction of gaze or

Ebook Clinical orthoptics: Part 2 Publishing Ltd.224 Clinical OrthopticsForm•Aplasia; hypoplasia of nerve/nucleus•Abnormal innervation•Trauma during gestation/delivery•Inflammation: N

eonatal/antenatalMechanical•Duane’s retraction syndrome•Brown’s syndromeMyogenic•Developmental abnormality: Hypoplasia/hyperplasia/aplasia of extraocu Ebook Clinical orthoptics: Part 2

lar muscles•Abnormal attachments: For example, muscle insertions to the eyeball or to the orbital contents•Fibrosis•Adhesions: Intermuscular, muscle t

Ebook Clinical orthoptics: Part 2

o orbitAcquiredNeurogenic•Trauma

SECTION III10Incomitant StrabismusIncomitant strabismus is strabismus in which the angle of deviation differs depending upon the direction of gaze or