A retinoscopic survey of donkeys and goats.
Capra aegagrus hircus
Equus africanus asinu
hyperopia
myopia
refraction
retinoscopy
Journal
Veterinary ophthalmology
ISSN: 1463-5224
Titre abrégé: Vet Ophthalmol
Pays: England
ID NLM: 100887377
Informations de publication
Date de publication:
Sep 2023
Sep 2023
Historique:
revised:
12
06
2023
received:
08
09
2022
accepted:
14
06
2023
medline:
19
9
2023
pubmed:
30
6
2023
entrez:
30
6
2023
Statut:
ppublish
Résumé
Assess the refractive states of donkeys and goats. Forty-two donkeys and 28 goats were enrolled. The mean ± SD ages were 7.68 ± 7.33 years for donkeys and 4.26 ± 2.33 years for goats. Seven donkeys and one goat were <6 months old. Retinoscopy was performed in alert animals, following cycloplegia in goats but not in donkeys. Normality was determined using the Kolmogorov-Smirnov test. The two primary meridians and two eyes were compared using Pearson's correlation and paired Student's t-tests. The association between refractive states and age was examined using one-way ANOVA in donkeys and a paired Student's t-test in goats. One-sample t-tests were conducted to assess if the refractive error distributions were significantly different from "0". The mean ± SD spherical equivalent (SE) refractive errors of the right and left donkey eyes were -0.80 ± 1.03 D and -0.35 ± 0.95 D, respectively. The majority (86%) of the donkeys had an astigmatic refraction and eight (19%) had anisometropia. The mean SE refractive errors of the right and left goat eyes were -0.15 ± 1.1 D and -0.18 ± 1.2 D, respectively. The majority (54%) of the goat eyes had an astigmatic refraction and five (18%) had anisometropia. The right and left eye SE refractive errors were positively correlated in both species (both p = .9). Age was not correlated with refractive error in both donkeys (p = .09) and goats (p = .6). Both goats and donkeys are emmetropic.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
385-392Informations de copyright
© 2023 The Authors. Veterinary Ophthalmology published by Wiley Periodicals LLC on behalf of American College of Veterinary Ophthalmologists.
Références
Lens A. Optics, Retinoscopy, and Refractometry. 2nd ed. Slack Incorporated; 2005.
Murphy CJ, Zodnik K, Mannisf MJ. Myopia and refractive error in dogs. Invest Ophthalmol Vis Sci. 1992;33(8):2459-2463.
Kubai MA, Bentley E, Miller PE, Mutti DO, Murphy CJ. Refractive states of eyes and association between ametropia and breed in dogs. Am J Vet Res. 2008;69(7):946-951. doi:10.2460/ajvr.69.7.946
Bracun A, Ellis AD, Hall C. A retinoscopic survey of 333 horses and ponies in the UK. Vet Ophthalmol. 2014;17(SUPPL. 1):90-96. doi:10.1111/vop.121585
Rull-Cotrina J, Molleda JM, Gallardo J, Martín-Suárez E. Refractive state of the Spanish thoroughbred horse: a comparison with the crossbred horse. Vet Ophthalmol. 2013;16(1):25-28. doi:10.1111/j.1463-5224.2012.01014.x
Konrade KA, Hoffman AR, Ramey KL, et al. Refractive states of eyes and associations between ametropia and age, breed, and axial globe length in domestic cats. Am J Vet Res. 2012;73(2):279-284. doi:10.2460/ajvr.73.2.279
Sanchez RF, Becker R, Dawson C, Escanilla N, Lam R. Calculation of posterior chamber intraocular lens (IOL) size and dioptric power for use in pet rabbits undergoing phacoemulsification. Vet Ophthalmol. 2017;20(3):242-249. doi:10.1111/vop.124058
Ofri R, Millodot S, Shimoni R, Horowitz IH, Ashash E, Millodot M. Development of the refractive state in eyes of ostrich chicks (Struthio camelus). Am J Vet Res. 2001;62(5):812-815. doi:10.2460/ajvr.2001.62.812
Andison ME, Sivak JG, Bird DM. The refractive development of the eye of the American kestrel (Falco sparverius): a new avian model. J Comp Physiol A. 1992;170(5):565-574. doi:10.1007/BF00199333.10
Howland HC, Rowland M, Murphy CJ. Refractive state of the rhinoceros. Vision Res. 1993;33(18):2649-2651. doi:10.1016/0042-6989(93)90224-K
Murphy CJ, Kern TJ, Howland HC. Refractive state, corneal curvature, accommodative range and ocular anatomy of the Asian elephant (Elephas maximus). Vision Res. 1992;32(11):2013-2021. doi:10.1016/0042-6989(92)90062-n
Ofri R, Millodot S, Tadmor Y, et al. The development of the refractive state in the newborn Thomson gazelle. J Comp Physiol A Neuroethol Sensory Neural Behav Physiol. 2004;190(10):831-835. doi:10.1007/s00359-004-0538-z
Norris SL, Little HA, Ryding J, et al. Global donkey and mule populations: figures and trends. PLoS One. 2021;16:1-12. doi:10.1371/journal.pone.024783014
Burden FA, Hazell-Smith E, Mulugeta G, Patrick V, Trawford R, Brooks Brownlie HW. Reference intervals for biochemical and haematological parameters in mature domestic donkeys (Equus asinus) in the UK. Equine Vet Educ. 2016;28(3):134-139. doi:10.1111/eve.12512
Ali M, Baber M, Hussain T, Awan F, Nadeem A. The contribution of donkeys to human health. Equine Vet J. 2014;46(6):766-767. doi:10.1111/evj.12337
Pilla R, Daprà V, Zecconi A, Piccinini R. Hygienic and health characteristics of donkey milk during a follow-up study. J Dairy Res. 2010;77(4):392-397. doi:10.1017/S0022029910000221
Martemucci G, D'Alessandro AG. Fat content, energy value and fatty acid profile of donkey milk during lactation and implications for human nutrition. Lipids Health Dis. 2012;11(1):1. doi:10.1186/1476-511X-11-11318
Costa LRR, Aleman M, Davis E. Comprehensive report of the caseload of donkeys and mules presented to a veterinary medical teaching hospital over a ten-year period. Animals. 2019;9(7):1-13. doi:10.3390/ani9070413
Laus F, Paggi E, Marchegiani A, et al. Ultrasonographic biometry of the eyes of healthy adult donkeys. Vet Rec. 2014;174(13):326. doi:10.1136/vr.101436
Wafy MN, Hassan EA, El-maaty AMA, et al. B-scan biometry and color doppler ultrasound imaging of the eye in clinically normal donkeys (Equus asinus): effect of laterality, maturity and gender. J Equine Vet Sci. 2021;101:103419. doi:10.1016/j.jevs.2021.103419
Hibbs CD, Barrett PM, Dees DD. Intraocular pressure reference intervals in eyes of clinically normal miniature donkeys (Equus africanus asinus). Vet Ophthalmol. 2019;22(1):24-30. doi:10.1111/vop.1256122
Lohani M, Bhandari D. The importance of goats in the world. Prof Agric Work J. 2021;6(2):14.
Sacarrão-Birrento L, de Almeida AM. The Portuguese Serrana goat breed: a review. Tropl Anim Health Prod. 2021;53(1):114. doi:10.1007/s11250-020-02553-7
Šlyžius E, Šlyžienė B, Lindžiūtė V. Factors affecting goat milk fat yield. Žemės Ūkio Moksl. 2017;24(3):91-100. doi:10.6001/zemesukiomokslai.v24i3.3555
Salehpour A, Butler DL, Proch FS, et al. Dose-dependent response of gamma irradiation on mechanical properties and related biochemical composition of goat bone-patellar tendon-bone allografts. J Orthop Res. 1995;13(6):898-906. doi:10.1002/jor.1100130614
Gilliland GD, Gilliland G, Fincher T, Harrington J, Gilliland JM. Assessment of biomechanics of orbital fracture: a study in goats and implications for oculoplastic surgery in humans. Am J Ophthalmol. 2005;140(5):868-876.e2. doi:10.1016/j.ajo.2005.05.030
Sudan R, Titiyal JS, Rai H, Chandra P. Formalin-induced cataract in goat eyes as a surgical training model for phacoemulsification. J Cataract Refract Surg. 2002;28(11):1904-1906. doi:10.1016/S0886-3350(02)01327-5
Broadwater JJ, Schorling JJ, Herring IP, Pickett JP. Ophthalmic examination findings in adult pygmy goats (Capra hicus). Vet Ophthalmol. 2007;10(5):269-273. doi:10.1111/j.1463-5224.2007.00548.x
Ribeiro AP, Silva ML, Rosa JP, Souza SF, Teixeira IAMA, Laus JL. Ultrasonographic and echobiometric findings in the eyes of Saanen goats of different ages. Vet Ophthalmol. 2009;12(5):313-317. doi:10.1111/j.1463-5224.2009.00719.x
Lopinto AJ, Pirie CG, Bedenice D, et al. Corneal thickness of eyes of healthy goats, sheep, and alpacas manually measured by use of a portable spectral-domain optical coherence tomography device. Am J Vet Res. 2017;78(1):80-84. doi:10.2460/ajvr.78.1.80
LoPinto AJ, Pirie CG, Ayres SL, et al. Comparison of indocyanine green and sodium fluorescein for anterior segment angiography of ophthalmically normal eyes of goats, sheep, and alpacas performed with a digital single-lens reflex camera adaptor. Am J Vet Res. 2017;78(3):311-320. doi:10.2460/ajvr.78.3.311
Meister U, Görig C, Murphy CJ, Haan H, Ohnesorge B, Boevé MH. Intraocular lens power calculation for the equine eye. BMC Vet Res. 2018;14(1):1-8. doi:10.1186/s12917-018-1448-6
Charnock LN, Davidson MG, Keys DA, Gilger BC, McMullen RJ Jr. Prevalence, differences, and potential correlation to age, sex, breed, coat color, iris color, and geographic location in naturally occurring refractive errors in the normal equine eye from Germany and North Carolina. Vet Ophthalmol. 2023. doi:10.1111/vop.13061
Piggins D, Phillips CJC. The eye of the domesticated sheep with implications for vision. Anim Sci. 1996;62(2):301-308. doi:10.1017/S1357729800014612
Murphy J, Hall C, Arkins S. What horses and humans see: a comparative review. Int J Zool. 2009;2009:1-14. doi:10.1155/2009/72179
Townsend WM, Jacobi S, Bartoe JT. Phacoemulsification and implantation of foldable +14 diopter intraocular lenses in five mature horses. Equine Vet J. 2012;44(2):238-243. doi:10.1111/j.2042-3306.2011.00392.x
McMullen RJ, Gilger BG. Keratometry, biometry and prediction of intraocular lens power in the equine eye. Vet Ophthalmol. 2006;9(5):357-360. doi:10.1111/j.1463-5224.2006.00493.x
Grinninger P, Skalicky M, Nell B. Evaluation of healthy equine eyes by use of retinoscopy, keratometry, and ultrasonographic biometry. Am J Vet Res. 2010;71(6):677-681. doi:10.2460/ajvr.71.6.677
McMullen RJ, Davidson MG, Gilger BC. The effect of 1% tropicamide-induced mydriasis and cycloplegia on spherical refraction of the adult horse. Vet Ophthalmol. 2014;17(2):120-125. doi:10.1111/vop.12055
Kee CS, Hung LF, Qiao-Grider Y, Roorda A, Smith EL III. Effects of optically imposed astigmatism on emmetropization in infant monkeys. Invest Ophthalmol Vis Sci. 2004;45(6):1647-1659. doi:10.1167/iovs.03-0841
Bradley DV, Fernandes A, Lynn M, et al. Emmetropization in the rhesus monkey (Macaca mulatta): birth to young adulthood. Invest Ophthalmol Vis Sci. 1999;40(1):214-229.
Shneor E, Doron R, Ostrin LA, Gordon-Shaag A. The prevalence of refractive errors in college students in Israel. J Optom. 2021;2:38. doi:10.1016/j.optom.2021.09.001
Armstrong RA. Statistical guidelines for the analysis of data obtained from one or both eyes. Ophthalmic Physiol Opt. 2013;33(1):7-14. doi:10.1111/opo.12009
Sivak JG, Allen DB. An evaluation of the “ramp” retina of the horse eye. Vision Res. 1975;15(12):1353-1356.
Löf A. Undersökning av ackommodationsförmåga och brytningsfel hos varmblodiga travare. MSc thesis submitted to The Swedish University of Agricultural Sciences, Department of Clinical Sciences, Uppsala, Sweden. 2007. https://stud.epsilon.slu.se/11730
Piggins D, Phillips C. Sheep refraction, correction and vision in Lewis Carroll's through the looking glass and what Alice found there (1871). Ophthalmic Physiol Opt. 1997;17(1):88-89. doi:10.1111/j.1475-1313.1997.tb00529.x
Ross M, Ofri R, Aizenberg I, et al. Naturally-occurring myopia and loss of cone function in a sheep model of achromatopsia. Sci Rep. 2020;10(1):1-9. doi:10.1038/s41598-020-76205-z.45
Tusler CA, Good KL, Maggs DJ, Zwingenberger AL, Reilly CM. Gross, histologic, and computed tomographic characterization of nonpathological intrascleral cartilage and bone in the domestic goat (Capra aegagrus hircus). Vet Ophthalmol. 2017;20(3):214-221. doi:10.1111/vop.12391
Teodoro TGW, Campos MEST, Silva LA, et al. Characterization of nonpathological intrascleral cartilage in the domestic sheep (Ovis aries). Pesqui Vet Bras. 2023;1:5150. doi:10.1590/1678-5150-PVB-7142
Tiemeier OW. The os opticus of birds. J Morphol. 1950;86:25-46.
Rose L, Yinon U, Belkin M. Myopia induced in cats deprived of distance vision during development. Vision Res. 1974;14(10):1029-1032. doi:10.1016/0042-6989(74)90172-2
Rose KA, French AN, Morgan IG. Environmental factors and myopia: paradoxes and prospects for prevention. Asia-Pacific J Ophthalmol. 2016;5(6):403-410. doi:10.1097/APO.0000000000000233
Sorsby A, Leary GA, Joan Richards M. The optical components in anisometropia. Vision Res. 1962;2(1-4):43-51. doi:10.1016/0042-6989(62)90062-7
Bradley A, Rabin J, Freeman RD. Nonoptical determinants of aniseikonia. Investig Ophthalmol Vis Sci. 1983;24(4):507-512.
Barrett BT, Bradley A, Candy TR. The relationship between anisometropia and amblyopia. Prog Retin Eye Res. 2013;36:120-158. doi:10.1016/j.preteyeres.2013.05.001