Accommodative convergence, fusional convergence and their role in divergence-excess exotropia.
نویسندگان
چکیده
منابع مشابه
the investigation of research articles in applied linguistics: convergence and divergence in iranian elt context
چکیده ندارد.
Convergence Insufficiency/Divergence Insufficiency Convergence Excess/Divergence Excess: Some Facts and Fictions
Great discrepancies are often encountered between the distance fixation and the near-fixation esodeviations and exodeviations. They are all attributed to either anomalies of the AC/A ratio or anomalies of the fusional convergence or divergence amplitudes. We report a case with pseudoconvergence insufficiency and another one with pseudoaccommodative convergence excess. In both cases, conv./div. ...
متن کاملThe role of accommodative convergence at the limits of fusional vergence.
Two possible explanations are presented for the mechanism which limits the maximum fusional vergence response. An experimental paradigm is developed to differentiate between these alternatives. Experimental results indicate that the blur generally associated with strong fusional effort is due to convergence accommodation "overdrive." Th important theoretical and clinical implications of this fi...
متن کاملMedial rectus muscle pulley posterior fixation sutures in accommodative and partially accommodative esotropia with convergence excess.
BACKGROUND The use of medial rectus pulley posterior fixation sutures to treat esotropia with convergence excess has limited support in the literature. We describe our results using this technique to treat patients with large near-distance disparities. METHODS We retrospectively analyzed records of patients with accommodative or partially accommodative esotropia and convergence excess 13(Δ) o...
متن کاملAccommodation dynamics in divergence excess exotropia.
Objective recording of accommodation dynamics was performed in four patients with divergence excess exotropia (two true and two simulated) and in three visually normal control subjects. The accommodative peak velocity/amplitude relationship was normal in the exotropic patients and in the control subjects. Latency for decreasing accommodation was increased significantly, and overshoot frequency ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: JAPANESE ORTHOPTIC JOURNAL
سال: 1986
ISSN: 1883-9215,0387-5172
DOI: 10.4263/jorthoptic.14.99