Comparison of Biometric Measurements and Refractive Results between Applanation Ultrasonography and Three Different Interferometries
Journal of the Korean Ophthalmological Society
; : 1720-1727, 2015.
Article
in Korean
| WPRIM (Western Pacific)
| ID: wpr-213415
Responsible library:
WPRO
ABSTRACT
PURPOSE:
To compare ocular biometry and refractive results measured using conventional applanation ultrasonography and 3 different optical interferometries, Lenstar LS900(R), AL-Scan(R) and OA-2000(R).METHODS:
The biometries of 31 cataractous eyes were measured using ultrasonography, Lenstar LS900(R), AL-Scan(R) or OA-2000(R). The axial length, anterior chamber depth and keratometry were measured. The SRK/T formula was used to calculate intraocular lens power. Two months after cataract surgery, the refractive outcome was determined and results from the 4 different biometry methods were compared.RESULTS:
Axial lengths were 23.39 +/- 0.95 mm, 23.42 +/- 0.98 mm, 23.43 +/- 0.98 mm and 23.44 +/- 0.98 mm measured using ultrasonography, Lenstar LS900(R), AL-Scan(R) and OA-2000(R), respectively with no statistically significant differences observed (p = 0.996). The anterior chamber depth and keratometry were 3.14 +/- 0.41 mm, 3.10 +/- 0.38 mm and 3.13 +/- 0.39 mm (p = 0.936) and 44.41 +/- 1.52 D, 44.54 +/- 1.57 D and 44.44 +/- 1.52 D (p = 0.937) for Lenstar LS900(R), AL-Scan(R) and OA-2000(R) respectively. There were no statistically significant differences between the 3 optical devices. The mean absolute error of the 4 different devices were not statistically significant (p = 0.722).CONCLUSIONS:
The ocular biometric measurements and prediction of postoperative refraction using ultrasonography, Lenstar LS900(R), AL-Scan(R) or OA-2000(R) showed no significant differences.
Full text:
Available
Database:
WPRIM (Western Pacific)
Main subject:
Refractive Errors
/
Cataract
/
Biometry
/
Ultrasonography
/
Optical Devices
/
Interferometry
/
Lenses, Intraocular
/
Anterior Chamber
Type of study:
Diagnostic study
/
Prognostic study
Language:
Korean
Journal:
Journal of the Korean Ophthalmological Society
Year:
2015
Document type:
Article