Normative Data of Ocular Biometry, Optical Coherence Tomography, and Electrophysiology Conducted for Cynomolgus Macaque Monkeys
- Authors
- Choi, Kwang-Eon; Vu Thi Que Anh; Yun, Cheolmin; Kim, Young-Jin; Jung, Hachul; Eom, Heejong; Shin, Dongkwan; Kim, Seong-Woo
- Issue Date
- 11월-2021
- Publisher
- ASSOC RESEARCH VISION OPHTHALMOLOGY INC
- Keywords
- cynomolgus monkey; fovea; spectral-domain optical coherence tomography; electroretinogram; ocular biometry
- Citation
- TRANSLATIONAL VISION SCIENCE & TECHNOLOGY, v.10, no.13
- Indexed
- SCIE
SCOPUS
- Journal Title
- TRANSLATIONAL VISION SCIENCE & TECHNOLOGY
- Volume
- 10
- Number
- 13
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/135980
- DOI
- 10.1167/tvst.10.13.14
- ISSN
- 2164-2591
- Abstract
- Purpose: To present normative data of optical coherence tomography (OCT) parameters, electrophysiological tests, and optical biometry conducted for cynomolgus monkeys. Methods: Multimodal examinations were performed for 11 adult cynomolgus monkeys (Macaca fascicularis, weighing 2.6-7.5 kg, aged 45-99 months). A-scan biometry was performed to measure ocular biometry. OCT images were obtained at 30 degrees and 55 degrees. After the pupils were fully dilated, electroretinogram (ERG) and visual evoked potentials (VEP) were recorded with a commercial system using a contact lens electrode. Results: All cynomolgus monkeys were males. The mean axial length was 17.92 +/- 0.34 mm. The central total retinal layer (TRL) and subfoveal choroidal thicknesses were 286.27 +/- 18.43 and 234.73 +/- 53.93 pnn, respectively. The TRL and nerve fiber layer thickness was greater in the nasal than in other quadrants in the Early Treatment Diabetic Retinopathy Study circle in the macula. Peripheral TRL and ganglion cell complex thickness on the temporal outside the vascular arcades were lower than on the other sides. The peak latency of a-wave and b-wave in scotopic and photopic 3.0 ERG was 14.78 +/- 1.00 and 32.89 +/- 1.81 ms, and 12.91 +/- 1.03 and 31.79 +/- 2.16 ms, respectively. The n2 wave peak latency of VEP was 15.21 +/- 8.07 ms. The a-wave peak latency of ERG and the n2 wave peak latency of VEP negatively correlated with age. Conclusions: The normative ocular biometric, electrophysiological test, and OCT parametric data of cynomolgus monkeys could serve as reference values for further preclinical studies. Translational Relevance: We present normative data of cynomolgus monkeys'eyes, an adequate animal model for preclinical studies.
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