共同性斜視手術(shù)前后雙眼視覺變化的臨床研究
[Abstract]:Objective: to observe the changes of binocular vision in concomitant strabismus patients before and after operation, and to explore the effect of different strabismus types on postoperative binocular visual recovery and the regularity of binocular visual recovery. Methods: from October 2010 to December 2011, 72 concomitant strabismus patients were selected, including 41 males and 31 females, aged between 3 and 36 years. According to the type of strabismus, they were divided into four groups: group 1, concomitant esotropia (n = 13), group 2, intermittent exotropia (n = 27), group 3, constant exotropia (n = 21), group 4, constant exotropia (n = 11) with hypertropism. Eye routine examination, refractive examination, prism and alternate shading method were performed before and after operation respectively. The third degree of binocular vision was examined by the same vision machine, and the near stereopsis acuity was measured by the stereopsis chart drawn by Yan Shaoming. The data of pre-operation, 1st day, 7th day, 1st month and 3rd month were recorded, and the data were analyzed statistically. Results: 1. Comparison of binocular vision in patients with different strabismus types: 1General situation before operation: the age of operation, the age of onset and the degree of strabismus were not significantly different among the four groups (P0.05). Preoperative simultaneous vision and fusion function among the four groups, There was no significant difference between distant stereopsis and proximal stereopsis (P0.05). 2 after operation, the recovery of simultaneous vision in group 2 (23 cases, 85.2%) was significantly better than that in group 1 (7 cases, 53.8%), group 3 (12 cases, 57.1%) and group 4 (group 4, 54.5%), the difference was statistically significant. 3 postoperative grade II fusion function in group 2 (19 cases, 19.3 擄鹵3.1 擄) was significantly better than that in group 1 (5 cases, 38.5 擄鹵4.8 擄), group 3 (9 cases, 42.9 擄鹵3.7 擄) and group 4 (3 cases, 27.312.4 擄鹵7.5 擄), the difference was statistically significant (P0.05). The recovery of distant stereopsis in group 2 (8 cases, 29.6%) was significantly better than that in group 1 (0 cases), the difference was statistically significant (P0.05). 5 the recovery of near stereopsis in group 2 (24 cases, 88.9%) was significantly better than that in group 1 (5 cases, P0.05). 38.5%, group 3 (11 cases, 52.4%) and group 4 (8 cases, 72.7%), the difference was statistically significant (P0.05). Comparison of binocular vision before and after operation: postoperative concomitant strabismus patients had significantly better recovery of binocular visual function and near stereopsis than before operation (P0.05). There was no significant difference in visual function and near stereopsis between 1 month and 3 months after operation (P0.05). Conclusion: 1. Concomitant strabismus patients have different degrees of binocular visual impairment. 2. 2. After concomitant strabismus, the third degree function of binocular vision and the near stereopsis were improved obviously. Surgery is an effective method to restore and reconstruct binocular vision. 3. The recovery of binocular vision of intermittent exotropia was superior to that of non-adjustable esotropia, constant exotropia and constant exotropia with hyper inferior oblique muscle, but not accommodative esotropia. The effects of constant exotropia and constant exotropia with inferior oblique hyperactivity on binocular vision were consistent. 4. There was no significant difference in the recovery of binocular vision between 1 month and 3 months after concomitant strabismus. The recovery of binocular vision was basically stable at about 1 month after operation.
【學(xué)位授予單位】:大連醫(yī)科大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2012
【分類號(hào)】:R779.6
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