摘要
Abstract
Objective To compare changes in tear film and corneal surface regularity of type Ⅱ diabetes patients after coaxial phacoemusification through 1.8 mm and 3.0 mm clear corneal incision, to explore effect of different incision size on dry eye in senile cataract patients with type Ⅱ diabetes.Methods 48 cases of senile cataract patients (55 eyes) with type type Ⅱ diabetes were selected, and were divided into 2 groups (A&B) according to their selection of intraocular lens. 23 patients (26 eyes) enrolled in group A were treated with coaxial phacoemusification through 1.8 mm clear corneal incision. And 25 patients (29 eyes) in group B were treated with coaxial phacoemusification through 3.0 mm clear corneal incision. Tear break time (BUT), cornea fluorescein staining (FLS), subjective symptom score of dry eye, schirmer I test (SIt), surface regularity index (SRI) and surface asymmetry index (SAI) of the two groups were evaluated before operation and 1 day, 7 days, 1 month and 3months after operation.Results Before operation, differences of BUT, FLS, subjective symptom score of dry eye, SIt, SRI and SAI between the two groups were not statistically significant. 1 day and 7 days after operation, BUT and SIt in group B were significantly lower than those in group A (P<0.05), and FLS, subjective symptom score of dry eye, SAI in group B were significantly higher than those in group A (P<0.05). SRI of group B were higher than group A at all time points after operation, the difference was statistically significant (P<0.05). In groupA, BUT, SIt and subjective symptom score of dry eye recovered to preoperative levels at 7 days after operation (P>0.0125), FLS and SRI recovered to preoperative levels at 1 month after operation (P>0.0125), and SAI recovered to preoperative level at 1 day after operation (P>0.0125). In group B, BUT, SIt, SRI and SAI recovered to preoperative levels at 3 months after operation (P>0.0125), FLS and subjective symptom score of dry eye recovered to preoperative levels at 1 month after operation (P>0.0125).Conclusions For cataract patients with type Ⅱdiabetes planning to accept phacoemulsification, compared with 3.0 mm clear corneal incision, 1.8 mm clear corneal incision has less effect on tear film function and regularity of cornea, patients’ dry eye symptoms are lighter, and will recover faster.关键词
糖尿病/白内障超声乳化术/泪膜/干眼/角膜表面规则性Key words
diabetes/cataract phacoemulsification/tear film/dry eye/corneal surface regularity分类
医药卫生
