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LENSTAR LS900與眼前節分析系統SIRIUS對前房深度測量的對比分析

West China Medical Journal 2013, 28(11): 1770-1772

目的　比較LENSTAR LS900與眼前節分析系統SIRIUS測量準分子激光手術患者術前前房深度（ACD）的一致性。方法　選取2011年11月20日－12月10日對29例（58只眼）進行屈光手術術前檢查的患者，其中男12例，女17例，年齡18～40歲，平均21.5歲，分別采用LENSTAR LS900和眼前節分析系統SIRIUS測量ACD。采用配對t檢驗、直線回歸分析比較檢查結果的差異和兩種設備測量結果的相關性；運用Bland-Altman法對兩種方法進行一致性分析評價。結果　LENSTAR LS900測量的ACD平均值為（3.78 ± 0.26）mm，眼前節分析系統SIRIUS測量的ACD平均值為（3.84 ± 0.23）mm，兩種儀器測量結果差異無統計學意義（P ＞0.05）；相關系數分析顯示兩者有較高的相關性（r=0.960，P＜0.05）；兩種儀器測量ACD的Bland-Altman一致性分析，95%一致性界限為（0.089 mm，0.211 mm），在一致性界限范圍內。結論　LENSTAR LS900與眼前節分析系統SIRIUS眼前節分析系統具有較高的一致性，可以互相替代，都可作為臨床ACD測量的工具。

Release date：2016-09-07 02:33 Export PDF Favorites Scan
Comparative Study between IOL Master and Contact Ultrasonic A-mode Scan in Measuring Anterior Chamber Depth and Axial Length in Cataract Patients and Normal Subjects

West China Medical Journal 2012, 27(2): 238-241

目的　通過比較白內障患者與正常人用兩種方法測量的前房深度和眼軸長度值，觀察IOL Master和接觸式A型超聲測量是否存在差別及其關聯程度。方法　選取2010年12月－2011年2月期間行白內障摘除加人工晶狀體植入術的年齡相關性白內障患者及除屈光不正外沒有其他眼部病變的志愿者共89例。分別用IOL Maste和A型超聲測量54例（96只眼）白內障患者和35例（70只眼）正常者的前房深度（ACD）和眼軸長度（AL），應用配對t檢驗對每組兩種方法測得的ACD及AL值進行比較，并應用Pearson相關分析比較兩種方法的相關性。應用獨立樣本t檢驗比較白內障組和正常者組間兩種方法測得的差值是否不同。結果　白內障組A型超聲和IOL Master測得的ACD值分別是（2.83 ± 0.34）、（3.05 ± 0.39） mm，AL值分別是（23.93 ± 2.46）、（24.27 ± 2.57） mm，差異均有統計學意義（P＜0.05）；正常者組A型超聲和IOL Master測得的ACD值分別是（3.16 ± 0.36）、（3.43 ± 0.46） mm，AL值分別是（24.16 ± 1.61）、（24.49 ± 1.62） mm，差異均有統計學意義（P＜0.05）。兩種測量方法的相關系數分別是rACD=0.823（P＜0.05）和rAL= 0.995（P＜0.05）。白內障組和正常者組兩種方法測得的ACD差值分別是（0.23 ± 0.23）、（0.28 ± 0.30） mm；AL差值分別是（0.34 ± 0.27）、（0.33 ± 0.15） mm；兩組間ACD和AL差值的比較，差異均無統計學意義（P=0.243，0.742）。結論　不論是白內障組還是正常者組，用IOL Master測得的ACD及AL值均比A型超聲測得的相應值高，但是兩種方法測得的值高度相關。白內障組和正常者組用兩種方法測得的差值相比無差別；在可測到ACD及AL值的情況下，兩種測量方法的差值均不受晶狀體密度的影響。

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The axial length and anterior chamber depth in eyes with branch retinal vein occlusion

Chinese Journal of Ocular Fundus Diseases 2018, 34(3): 254-257

Objective To observe the axial length and anterior chamber depth in eyes with branch retinal vein occlusion (BRVO). Methods Randomly selected 90 eyes of forty-five patients with BRVO were enrolled in this study. There were 25 males and 20 females. The mean age was (46.22±13.45) years. All the patients were underwent examination of visual acuity, slit-lamp microscope, indiophthalmoscope, fundus color photography and fundus fluorescence angiography (FFA). Randomly selected 45 healthy individuals for control group, including 28 males and 17 females. The mean age was (48.24±15.77) years. The axial lengths and anterior chamber depths of affected and fellow eyes of BRVO patients and the eyes of controls were measured using IOL Master. The data were compared by the two sample paired t test. Results The mean axial length of the affected eyes in the BRVO group was (22.69±0.99) mm, and that of the fellow eyes group was (22.78±1.24) mm. The difference in axial length between the affected eyes and fellow eyes in the BRVO group was not significant (t=0.355, P＞0.05). The mean axial length of the right eyes in the control group was (23.38±1.32) mm, and that of the left eyes in the control group was (23.37±1.27) mm. The difference in axial length between the left eyes and right eyes in the control group was not significant (t=0.017, P＞0.05), while the difference in axial length between the affected eyes in the BRVO group and the right, left eyes in the control group was significant (t=?2.563, ?2.663; P＜0.05). The mean anterior chamber depth of the affected eyes in the BRVO group was (2.66±0.26) mm, and that of the fellow eyes was (2.65±0.30) mm. The difference in anterior chamber depth between the affected eyes and fellow eyes in the BRVO group was not significant (t=0.089, P＞0.05). The mean anterior chamber depth of the right eyes in the control group was (2.56±0.29) mm, and that of the left eyes was (2.59±0.30) mm. The difference in anterior chamber depth between the left eyes and right eyes in the control group was not significant (t=?0.592, P＞0.05). The difference in anterior chamber depth between the affected eyes in the BRVO group and the right, left eyes in the control group was not significant (t=1.779, 1.778, P＞0.05). Conclusion In the affected eyes of BRVO, the axial length is shorter and anterior chamber depth is normal.

Release date：2018-05-18 06:38 Export PDF Favorites Scan

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LENSTAR LS900與眼前節分析系統SIRIUS對前房深度測量的對比分析

Comparative Study between IOL Master and Contact Ultrasonic A-mode Scan in Measuring Anterior Chamber Depth and Axial Length in Cataract Patients and Normal Subjects

The axial length and anterior chamber depth in eyes with branch retinal vein occlusion

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