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Готові списки джерел за темами / Hypermetropia

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Добірка наукової літератури з теми "Hypermetropia"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Hypermetropia"

1

Gunasekaran, Gokulappriya, Ezhil Vendhan, Sozhama Devi, Lavanya Shiva, and R. Rajesh Kannan. "Comparison of retinal nerve fiber thickness in emmetropes, myopes and hyperopes using optical coherence tomography." Indian Journal of Clinical and Experimental Ophthalmology 10, no. 3 (2024): 492–96. http://dx.doi.org/10.18231/j.ijceo.2024.085.

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Aim of this study was to analyze retinal nerve fiber layer thickness by using spectral domen Optical Coherence Tomography (OCT) in different refractive status (emmetrops, myopes and hypermetrops).A cross-sectional study involved 150 patients aged 18-40, with and without refractive errors. Three groups (Emmetropic, Myopic, Hypermetropic) were tested using spectral domain OCT after pupil dilation, comparing RNFL thickness.In this study, 150 participants were categorized into three groups: emmetropia, myopia, and hypermetropia. The age group most represented was 21-25 years, comprising 35.3% of t

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2

Somov, E. E., J. L. Alexandrova, Y. A. Pavlova, and N. E. Kononova. "Hypermetropia in children and its clinical features." Russian ophthalmology of children 45, no. 1 (2024): 21–26. http://dx.doi.org/10.25276/2307-6658-2024-1-21-26.

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Purpose. Assessment of the functional state of children with hypermetropia and its performance in the visual system. Material and methods. 212 (424 eyes) somatically healthy children aged 3 to 18 years with hypermetropic refraction from 1.5±0.6 to 7.5±0.7 D were examined. They underwent standard ophthalmological examination, including visometry, refractometry, biometry and keratometry. The statistics of the material were processed according to the MS Excel 2010 program. Results. Structure of hypermetropic children for various periods of life is described in detail – congenital (against the bac

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3

Anbar, Mohamed, Engy Mohamed Mostafa, Ashraf Mostafa Elhawary, Islam Awny, Mahmoud Mohamed Farouk, and Amr Mounir. "Evaluation of Corneal Higher-Order Aberrations by Scheimpflug–Placido Topography in Patients with Different Refractive Errors: A Retrospective Observational Study." Journal of Ophthalmology 2019 (June 2, 2019): 1–5. http://dx.doi.org/10.1155/2019/5640356.

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Purpose. To report the characteristics of anterior and posterior corneal high-order aberrations in patients with different refractive errors.Setting. This study was conducted at Sohag Refractive Center, Sohag, Egypt.Design. This is a retrospective observational study.Methods. This study evaluated 750 patients (750 eyes) who were seeking refractive surgery. The eyes were stratified into five groups (150 eyes/group) based on refractive error: mild-to-moderate myopia, high myopia, hyperopia, simple myopic astigmatism, and simple hypermetropic astigmatism. All patients were subjected to comprehens

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4

Ruia, Surabhi, Poonam Kishore, Vinita Singh, and Nitin Chaudhary. "Correlation of refractive error with axial length and corneal topography." Asian Journal of Ophthalmology 15, no. 1 (2016): 25–33. http://dx.doi.org/10.35119/asjoo.v15i1.176.

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Purpose: To collect and analyze normative data about corneal topography and axial length in various refractive errors in Indian population.Design: Cross-sectional observational study. Materials and Method: Three hundred eyes (150 patients) of age group 12-35 yrs were arranged in 5 groups according to refractive status; Group 1 (n=44): myopia of SphericalEquivalent (SE) > 6 D; Group 2 (n=67): myopia of SE >0.5 D to 6 D; Group 3 (n=88): nearly emmetropic of SE -0.5 D to +0.5 D; Group 4 (n=59): hypermetropia of SE >0.5 to 6 D; Group 5 (n=42): hypermetropia of SE > 6 D. Axial length(AL

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5

Klokova, O. A., S. N. Sakhnov, O. A. Shelikhova, and M. S. Geydenrikh. "Some Aspects of the Accommodative Function Condition and Binocular Vision in Adult Patients with Hypermetropia, with Complex Hypermetropic and Mixed Astigmatism." Ophthalmology in Russia 16, no. 3 (2019): 344–49. http://dx.doi.org/10.18008/1816-5095-2019-3-344-349.

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Modern human life conditions are associated with the increase of visual load in the volume and intensity. It determines the social and scientific significance of the study of the visual system functional capabilities with refractive errors. Due to peculiarities such types of ametropia as hypermetropia, hypermetropic and mixed astigmatism are the cause of inadequate load on the visual analyzer. Foreign and Russian scientists mainly pay attention to the study of these functions in childhood, adolescence or presbyopic age. We studied the frequency and degree of binocular and accommodative disorde

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6

Shrestha, Shristi, and Khem Raj Kaini. "Refractive errors in type II diabetic patients." Journal of Universal College of Medical Sciences 3, no. 3 (2015): 17–21. http://dx.doi.org/10.3126/jucms.v3i3.24243.

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INTRODUCTION: The prevalence of diabetes is increasing rapidly. Refractive error in the diabetic population is considered a main cause of visual impairment. So this study was conducted to find out the pattern of refractive errors in patients with type II diabetes mellitus in Western Nepal. MATERIAL AND METHODS: It was a hospital-based cross-sectional study. Three hundred forty eyes of one hundred seventy patients with type II diabetes underwent comprehensive eye examination including subjective and objective refraction and serum biochemistry. RESULTS: The mean refraction was -0.132

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7

Orenburkina, O. I., and A. E. Babushkin. "Visual outcomes after phacoemulsification in diabetic patients with different refraction changes." POINT OF VIEW. EAST – WEST, no. 2 (May 12, 2023): 42–49. http://dx.doi.org/10.25276/2410-1257-2023-2-42-49.

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Purpose. To study the results of phacoemulsification (PE) in patients with diabetes mellitus (DM) depending on the anterior-posterior axis (APA) and eye refraction. Material and methods. The study involved 57 patients (57 eyes) with insulin-dependent compensated or subcompensated DM (type II). All the patients underwent PE with IOL implantation. According to the nature of refraction, the patients were divided into 3 groups: group 1 — 16 patients (16 eyes) with moderate and high myopia, group 2 — 18 people (18 eyes) with hypermetropia, group 3 — 23 patients (23 eyes) with emmetropia. Distributi

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8

Rani, Anjali, and Ashish Chander. "Prevalence of Non-strabismic Binocular Vision Anomalies in Myopic and Hypermetropic Young Adults: A Cross-sectional Study." Journal of Applied Life Sciences International 28, no. 4 (2025): 149–54. https://doi.org/10.9734/jalsi/2025/v28i4705.

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Aim: To assess the Non-Strabismic Binocular Vision Anomalies among Myopic and Hypermetropic young adults. Methodology: The Prospective, cross-sectional study was conducted to assess the NSBVA among 55 myopic and 55 hypermetropic patients. The study protocol was approved by the Institutional Ethical Committee. The study included total 110 patients aged 10 to 35 years, 55 diagnosed with myopia and 55 patients with hypermetropia. Recruited participants undergone comprehensive ocular examination along with binocular vision assessment. Diagnosis of NSBVA was based on normative data and diagnostic c

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9

Frolova, T. N., T. N. Iureva, O. V. Pisarevskaya, L. S. Khlebnikova, and A. V. Korolenko. "Evaluation of the femtolasic refractive effect in the correction of hypermetropia in patients with initially high uncorrected visual acuity." Modern technologies in ophtalmology, no. 5 (September 30, 2022): 53–57. http://dx.doi.org/10.25276/2312-4911-2022-5-53-57.

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Hypermetropic refraction is not always accompanied by a decrease in uncorrected visual acuity (UCVA) and can be 0.9–1.0. This explains that, despite asthenopic complaints and the difficulty of working near, quite often such patients do not use optical correction. At the same time, patients with high and moderate hypermetropia, having uncorrected visual acuity exceeding 0.8, are usually denied refractive interventions, recommending the use of optical correction. The purpose was to evaluate the results of the refractive effect of hypermetropia correction by Femtolasic in patients with initially

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10

Anwar, Fatma K. H., Nashwa M. L. Saleh, and Ssnaa A. Mohammed. "Anterior chamber parameters in simple myopia and hypermetropia using Pentacam." Scientific Journal of Al-Azhar Medical Faculty, Girls 5, no. 1 (2021): 163–68. http://dx.doi.org/10.4103/sjamf.sjamf_112_20.

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Background Measurement of the anterior chamber parameters of the eye is an essential test and must be done in ophthalmic practice. Many studies were focused on the differences between the values of anterior segment parameters of myopic and hypermetropic eyes from that of emmetropic eyes. A significant correlation has been found between the RE and anterior chamber parameters. However, the strength of the correlation varied according to the race and the age of individuals. Objective To measure anterior chamber parameters (central corneal thickness, thinnest corneal thickness, apex corneal thickn

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Більше джерел

Частини книг з теми "Hypermetropia"

1

Metze, Dieter, Vanessa F. Cury, Ricardo S. Gomez, et al. "Hypermetropia." In Encyclopedia of Molecular Mechanisms of Disease. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-29676-8_850.

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Utz, Virginia Miraldi, and Elias I. Traboulsi. "Management of Asymptomatic Hypermetropia in Infancy and Early Childhood." In Practical Management of Pediatric Ocular Disorders and Strabismus. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-2745-6_3.

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3

Fledelius, H. C., and T. Rosenberg. "Extreme hypermetropia and posterior microphthalmos in three siblings. An oculometric study." In Documenta Ophthalmologica Proceedings Series. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3315-6_16.

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4

McClatchey, Scott K., and Thaddeus S. McClatchey. "IOL Power Choice in Children." In Intraocular Lens Calculations. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-50666-6_70.

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AbstractThe choice of IOL power for a child should take into consideration the myopic shift that results from ocular growth with age. The goal of cataract surgery in children is twofold: optimal management of vision in childhood and emmetropia in adult life. The former requires spectacles to manage the changing refractive error in the growing eye, as well as often-intensive treatment for amblyopia. The latter requires a combination of careful choice of the initial postoperative refraction based on age, with a goal of achieving an adult refractive error that can be easily managed with spectacle

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Nagy, Z., I. Süveges, J. Németh, and Á. Füst. "Refraktive Ergebnisse nach PRK-Behandlungen bei geringgradiger Myopie und geringgradiger Hypermetropie." In 10. Kongreß der Deutschsprachigen Gesellschaft für Intraokularlinsen-Implantation und refraktive Chirurgie. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60558-1_71.

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Awaya, Shinobu, Hiroto Tanaka, Yozo Miyake, Teiji Yagasaki, Naoto Nakamura, and Yuko Suzuki. "Focal Macular Erg in Amblyopia: with Special Reference to the Difference between Hypermetropic Anisometropia and Myopic Anisometropia." In Update on Strabismus and Pediatric Ophthalmology Proceedings of the June, 1994 Joint ISA and AAPO&S Meeting, Vancouver, Canada. CRC Press, 2024. https://doi.org/10.1201/9781003575207-12.

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7

"Hypermetropia." In Encyclopedia of Ophthalmology. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-540-69000-9_100831.

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8

"hypermetropia, n." In Oxford English Dictionary, 3rd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/8534181359.

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Bhootra, Ajay. "Refraction in Hypermetropia." In Clinical Refraction Guide. Jaypee Brothers Medical Publishers (P) Ltd., 2014. http://dx.doi.org/10.5005/jp/books/12348_11.

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10

"Testing for hypermetropia." In Ernsting's Aviation Medicine, 4E. CRC Press, 2006. http://dx.doi.org/10.1201/b13238-172.

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Тези доповідей конференцій з теми "Hypermetropia"

1

Bobier, William R., Oliver J. Braddick, and Janette Atkinson. "Eccentric Photorefraction: A Method to measure accommodation in highly hypermetropic infants." In Noninvasive Assessment of the Visual System. Optica Publishing Group, 1988. http://dx.doi.org/10.1364/navs.1988.wd2.

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A photographic method, eccentric photorefraction has been developed which allows measurement of accommodation. The method was designed for the testing of infants and young children where traditional methods such as retinoscopy are difficult to deliver since the child's attention cannot always be sustained. Eccentric photorefraction shares a common principle with previous photorefractive methods in that a small flash source illuminates the eyes of a subject some distance (eg 150cm) from the camera. In this method, the source is placed eccentrically to the limiting aperture of the camera. The ca

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2

Africa, Aaron Don M. "A Rough Set Data model with presbyopic and hypermetrope parameters for eye vision diagnostics." In 2015 International Conference on Humanoid, Nanotechnology, Information Technology,Communication and Control, Environment and Management (HNICEM). IEEE, 2015. http://dx.doi.org/10.1109/hnicem.2015.7393190.

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