Association between Tomographic Characteristics of Pterygium and Preoperative Anterior and Posterior Topography Measured by Anterior Segment Optical Coherence Tomography

被引:1
|
作者
Aguilar-Gonzalez, Marina [1 ,2 ]
Espana-Gregori, Enrique [3 ,4 ]
Pascual-Camps, Isabel [3 ]
Dolores Pinazo-Duran, M. [4 ]
Peris-Martinez, Cristina [1 ,4 ,5 ]
机构
[1] Fdn Oftalmol Med FOM, Unit Cornea & Anterior Eye Dis, C Pio Baroja 12, Valencia 46015, Spain
[2] Hosp Manises, Ave Generalitat Valenciana 50, Manises 46940, Spain
[3] Hosp Univ & Politecn La Fe, Ave Fernando Abril Martorell 106, Valencia 46026, Spain
[4] Univ Valencia, Dept Surg, Ophthalmol, Ave Blasco Ibanez 15, Valencia 46010, Spain
[5] Avino Peris Eye Clin, Ave Oeste 34, Valencia 46001, Spain
来源
LIFE-BASEL | 2024年 / 14卷 / 10期
关键词
pterygium; ocular surface imaging; anterior segment ocular coherence tomography; AS-OCT; astigmatism; corneal topography; CONJUNCTIVAL GRAFT THICKNESS; SURGERY; EXCISION;
D O I
10.3390/life14101245
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Background: The utilities of anterior segment optical coherence tomography (AS-OCT) for characterization, differential diagnosis, postoperative monitoring, and evaluation/comparison of surgical techniques in pterygium are described. Through AS-OCT, it is also possible to study the corneal astigmatic effect of pterygium. Our purpose is to study the associations between the anatomical characteristics of pterygium and the corneal topography through AS-OCT. Methods: Fifty eyes with primary pterygium in a tertiary hospital were evaluated before surgery by measuring 10 anatomical variables of pterygium and 13 topographic variables using AS-OCT (Casia 2; Tomey Corp., Nagoya, Japan). Statistical analysis was used to study the association between them. Results: Pterygium classified as flat pattern exhibited lower preoperative values of flat keratometry (K1), real flat keratometry (K1r), average keratometry (AvgK), and real average keratometry (AvgKr) compared to nodular ones. The flat pattern showed greater cylinder (CYL) and real cylinder (CLYr) values. The horizontal corneal invasion proportionally increased CYL and CYLr. Overall, larger anatomical pterygium measurements (limbus thickness (LimbusT), central pterygium thickness (CentreT), head pterygium thickness (HeadT), epithelial thickness at 1 mm (EpitT1mm), stromal thickness at 1 mm (stromT1mm), total thickness at 1 mm (TotalT1mm), total thickness at 2 mm (TotalT2mm), and total thickness at 3 mm (TotalT3mm)) resulted in lower anterior K1, K1r, AvgK, and AvgKr, and posterior K1 and AvgK values. CentreT was greater in astigmatisms against the rule than in oblique ones. Conclusions: This study demonstrates associations between preoperative topography and the NF (nodular or flat) classification of pterygium and its anatomical measurements assessed by AS-OCT.
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页数:19
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