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1.
International Eye Science ; (12): 329-333, 2023.
Artigo em Chinês | WPRIM | ID: wpr-960961

RESUMO

AIM:To analyze the efficacy of modified pterygium resection combined with conjunctival autograft transplantation(CAT)in the treatment of pterygium.METHODS: A total of 140 patients(154 eyes)with pterygium treated in the ophthalmology department of our hospital from January 2018 to January 2021 were selected and grouped according to random number table method. In the observation group, 70 cases(76 eyes)were treated with modified pterygium excision combined with CAT, and improved iris restorer was used during the operation. In the control group, 70 patients(78 eyes)were treated with conventional pterygium excision combined with CAT, during which traditional iris restorer was used. Follow up for 1a, the postoperative vision, subjective symptoms, conjunctival signs(conjunctival congestion and chemosis), corneal epithelial healing, postoperative complications and recurrence rate were compared between the two groups.RESULTS: Compared with pre-operation, vision of the two groups decreased significantly on 1, 3 and 5d after operation(P<0.05), while there was no statistically significant difference between the groups(P>0.05). Compared with 1d after operation, the scores on subjective symptoms, conjunctival hyperemia and edema in the two groups decreased significantly on 3, 5 and 14d after operation(P<0.05), and those scores of the observation group on 3, 5 and 14d after operation were significantly lower than those of control group(P<0.05).The corneal fluorescein staining(FL)scores of the observation group on 3, 5 and 14d after operation were significantly lower than those of the control group(P<0.05). The proportion of repair time of corneal epithelial defect ≤5d in the observation group was significantly higher than that in the control group(P<0.05). The incidence rates of conjunctival granuloma, symblepharon, and the recurrence rate in the observation group were significantly lower than those in the control group(P<0.05).CONCLUSION: Modified pterygium resection combined with CAT is effective in the treatment of pterygium, which can alleviate postoperative irritative symptoms, conjunctival congestion and edema, and it is more conducive to postoperative corneal epithelial reconstruction, reduction of postoperative complications and recurrence rate.

2.
International Eye Science ; (12): 919-922, 2021.
Artigo em Chinês | WPRIM | ID: wpr-876027

RESUMO

@#AIM: To analyze the influence of bandage contact lens on corneal refractive status and postoperative complications in patients with pterygium. <p>METHODS: Totally 116 patients with pterygium treated in the hospital between January 2018 and December 2019 were recruited in the study. They were divided into control group and observation group by random number table method, 58 cases in each group. The control group received extended pterygium resection and autologous corneal limbal stem cell transplantation. On this basis, the observation group was treated with bandage contact lens. The best corrected visual acuity(BCVA), surface asymmetry index(SAI)of corneal topography, surface regularity index(SRI), corneal refractive power and postoperative complications in the two groups were compared. <p>RESULTS: Compared with preoperation, the BCVA of the two groups was significantly higher 1mo and 3mo after operation(<i>P</i><0.05), without statistically significant difference between the groups(<i>P</i>>0.05). Corneal horizontal and vertical curvature of the two groups were significantly higher, while corneal astigmatism was significantly lower at 1mo and 3mo after surgery. Meanwhile, the observation group had significantly lower corneal astigmatism than the control group(<i>P</i><0.05). SAI and SRI of the two groups significantly decreased, which were significantly lower in the observation group than in the control group(<i>P</i><0.05). No complications such as infection, poor healing of grafts and subconjunctival cysts were observed. The incidence of eye irritation was significantly lower in the observation group than in the control group, and lower at 2wk than at 1wk before operation(<i>P</i><0.05).<p>CONCLUSION: Extended pterygium resection combined with autologous corneal limbal stem cell transplantation and bandage contact lens is more conductive to the improvement of corneal refraction in patients with pterygium, which also can reduce the incidence of eye irritation.

3.
International Eye Science ; (12): 1280-1281, 2015.
Artigo em Chinês | WPRIM | ID: wpr-637484

RESUMO

AlM: To observe the effect of anterior chamber depth and angle change after pterygium excision.METHODS:Thirty cases (30 eyes) of primary pterygium were underwent pterygium excision. Central anterior chamber depth, four direction angle open distance ( AOD ) and open angle ( AA ) were measured preoperatively and postoperatively by ultrasound biomicroscopy ( UBM ) and the intraocular pressure was observed.RESULTS:Preoperative and Postoperative intraocular pressure were 15. 17±10. 6 and 16. 23±2. 61mmHg, and the central anterior chamber depth were 2. 28±0. 39 and 2. 33± 0. 24mm. The four directions of AOD and AA were no statistical difference.CONCLUSlON:The anterior chamber depth and the angle change is not obvious after pterygium excision.

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