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Relevant bibliographies by topics / The crystalline lens

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Academic literature on the topic 'The crystalline lens'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "The crystalline lens"

1

Goldberg, Ivan. "Crystalline lens malignancy." Clinical & Experimental Ophthalmology 42, no. 7 (March 16, 2014): 705–6. http://dx.doi.org/10.1111/ceo.12303.

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Mansfield, David, James Beaton, and Harry Bennett. "“Glaucoma affecting each crystalline lens”." Survey of Ophthalmology 44, no. 6 (May 2000): 527–33. http://dx.doi.org/10.1016/s0039-6257(00)00116-8.

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Iribarren, Rafael. "Crystalline lens and refractive development." Progress in Retinal and Eye Research 47 (July 2015): 86–106. http://dx.doi.org/10.1016/j.preteyeres.2015.02.002.

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Patel, Shilla, and Pauline Ilsen. "COLOBOMA OF THE CRYSTALLINE LENS." Optometry and Vision Science 79, Supplement (December 2002): 75. http://dx.doi.org/10.1097/00006324-200212001-00141.

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Yurdakul, Nazife Sefi, Şeyda Uğurlu, Ayça Yilmaz, and Ahmet Maden. "Traumatic subconjunctival crystalline lens dislocation." Journal of Cataract & Refractive Surgery 29, no. 12 (December 2003): 2407–10. http://dx.doi.org/10.1016/s0886-3350(03)00332-8.

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Wood, Ivan C. J., Donald O. Mutti, and Karla Zadnik. "Crystalline lens parameters in infancy." Ophthalmic and Physiological Optics 16, no. 3 (May 1996): 256. http://dx.doi.org/10.1046/j.1475-1313.1996.96833692.x.

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Wood, Ivan C. J., Donald O. Mutti, and Karla Zadnik. "Crystalline lens parameters in infancy." Ophthalmic and Physiological Optics 16, no. 4 (July 1996): 310–17. http://dx.doi.org/10.1046/j.1475-1313.1996.96833692_16_4.x.

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GARNER, L. F., M. YAP, and R. SCOTT. "Crystalline Lens Power in Myopia." Optometry and Vision Science 69, no. 11 (November 1992): 863–65. http://dx.doi.org/10.1097/00006324-199211000-00005.

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Hu, Chao-Yu, Jeen-Hon Jian, Yung-Piao Cheng, and Hsiang-Kai Hsu. "Analysis of crystalline lens position." Journal of Cataract & Refractive Surgery 32, no. 4 (April 2006): 599–603. http://dx.doi.org/10.1016/j.jcrs.2006.01.016.

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WOOD, I. "Crystalline lens parameters in infancy." Ophthalmic and Physiological Optics 16, no. 3 (May 1996): 256. http://dx.doi.org/10.1016/0275-5408(96)83367-9.

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Dissertations / Theses on the topic "The crystalline lens"

1

Wang, Kai. "Involvement of O-glcnacylation in lens development and cataract formation." Thesis, Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2010r/wang.pdf.

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Kumar, Bharat. "The Mechanobiology of the Crystalline Lens." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587649113548924.

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Jones, Catherine Elizabeth. "Studies of the crystalline lens using magnetic resonance imaging." Queensland University of Technology, 2004. http://eprints.qut.edu.au/15950/.

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The eye lens grows continuously throughout life and changes its shape as the eye changes focus from a distant to a near object (the process of accommodation). These changes are complex because they may affect not only the shape of the lens, but also its refractive index distribution. To date there has been no satisfactory technique for directly and non-invasively measuring these changes. In this study the refractive index distribution through the isolated lens was measured non-invasively using a novel MRI technique. The dependence of the refractive index value of lens tissue on its transverse relaxation rate (R2) was determined empirically from measurements on lens homogenate samples. Using a multi-spin-echo imaging sequence, data were acquired for constructing R2 maps of a central slice through the isolated lens. These R2 maps were transformed to refractive index maps using the empirically determined dependence of refractive index on R2. Using a standard algorithm for ray tracing through gradient index media, the propagation of light rays through the index map were simulated. The optical properties of the lens, such as focal length, were then measured. The technique was validated by also directly measuring the focal length of each lens using laser ray tracing. The subtle changes in refractive index distribution that are responsible for the dramatic change in the optical properties of the isolated lens with age, were observed for the first time. The decrease in surface power of the isolated lens with age accounted only partially for the decrease in total lens power with age, the remainder resulting from a reduction in the gradient of refractive index (GRIN) power. It is likely that this reduction in GFUN power is the mechanism by which the eye maintains emmetropia (good distant vision) with age despite the increasing curvature of its surfaces. The reduction in the GRIN power of the lens was found to be mainly due to a flattening of the refractive index profile in the central region of the lens, accompanied by steepening of the profile near the edge of the lens. In agreement with a previous MRI study of the isolated human eye lens, this study found a decrease in the refractive index of the nucleus with age. However the age related change in this study was not as large and not found to be statistically significant. The results demonstrate that existing simple models for the optics of the eye lens are inadequate to accurately describe its properties. Several more sophisticated models were considered in an attempt to describe better the age-dependent changes that occur in both the power of the lens and its longitudinal aberration. Mathematical modelling was also used to simulate the accommodative process and investigate possible changes in the index distribution of the lens that may occur with accommodation. A preliminary in vivo study was performed aimed at observing the change in the refractive index distribution of the eye lens with age and accommodation. These results demonstrated the feasibility of the technique for in vivo applications and showed that within experimental error there is little change in the central refractive index of the lens with age. However the resolution achievable with standard clinical imaging sequences and signal detection hardware was not optimal for in vivo refractive index mapping of changes in the human eye lens with accommodation. Finally therefore, methods for refining the technique for in vivo applications are discussed which may make it possible to directly and simultaneously measure both the shape and refractive index distribution of the lens with age and accommodation.

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Wilson, Cynthia Nicole. "A Fully Customizable Anatomically Correct Model of the Crystalline Lens." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20130.

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The human eye is a complex optical system comprised of many components. The crystalline lens, an optical component with a gradient index (GRIN), is perhaps the least understood as it is situated inside the eye and as a result is difficult to characterize. Its complex nonlinear structure is not easily measured and consequently not easily modeled. Presently several models of the GRIN structure exist describing the average performance of crystalline lenses. These models, however, do not accurately describe the performance of crystalline lenses on an individual basis and a more accurate individual eye model based on anatomical parameters is needed. This thesis proposes an anatomically correct, individually customizable crystalline lens model. This is an important tool and is needed both for research on the optical properties of human eyes and to diagnose and plan the treatment of optically based visual problems, such as refractive surgery planning. The lens model consisted of an interior GRIN with a constant refractive index core. The anterior and posterior surface was described by conic sections. To realize this eye model, the optical and biometric properties of mammalian lenses were measured and the correlation relationships between these measurements were used to simplify the model down to one fitting parameter which controls the shape of the GRIN. Using this data, an anatomically correct individualizable model of the lens was successfully realized with varying parameters unique to each lens. Using this customizable lens model, customizable human eye models based on measurements of the entire human eye can be realized.

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Hott, John Lester. "Photochemical alterations of ocular lens proteins." Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/30087.

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O'Leary, Christine Marie. "Expression of the Ets family in the lens." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 2.78 Mb., 100 p, 2005. http://wwwlib.umi.com/dissertations/fullcit/1428194.

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Rabie, E. P. "Biometry of the crystalline lens during accommodation." Thesis, University of Manchester, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378316.

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Chen, Wen-Lung. "Raman spectroscopic/imaging studies of eye lenses and lens proteins." Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/30431.

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Walker, Marlon LeBrone. "Light scattering and light transmission studies of uv-induced protein crosslinking in separated lens crystallins and whole lenses." Diss., Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/26245.

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Walker, Heather Mhairi. "Investigating the role of the lens in the growth and development of the vertebrate eye." Thesis, University of Aberdeen, 2014. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=225773.

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The eye forms through complex tissue interactions, and it still only partly understood. The developing vertebrate lens however, is crucial for coordinating eye development and eye growth, through releasing signals to surrounding eye structures. It is thought that the lens controls the growth of the eye through the production of the vitreous- the jelly-like substance that fills the main cavity of the eye and maintains the eye in its correct shape. Many components of the vitreous are produced by a region of the peripheral retina known as the ciliary body, and so it is believed that the lens controls eye growth through controlling the development of the ciliary body and thus, indirectly, the vitreous. This project addresses this concept. I have identified a previously unknown functional link between the lens and Vitamin A metabolism. The lens is important for maintaining retinoic acid production within the developing chick eye through controlling the expression of RDH10 in the presumptive ciliary body. RDH10 is important for the first step in retinoic acid synthesis, the conversion of Vitamin A into retinal, which is then converted into retinoic acid. The loss of RDH10 within the presumptive ciliary body is associated with a reduction in expression of other genes known to be involved in ciliary body development, BMP7, WNT2B and OTX1 along with a reduction in the growth of the eye. The reduction in retinoic acid production within the eye as a result of lens removal, in turn affects the synthesis of Collagen IX from the ciliary body, a major component of the vitreous. The data suggests that the lens controls retinoic acid production within the eye, through maintaining gene expression in the developing ciliary body. Retinoic acid signalling controls the synthesis of components of the vitreous, such as Collagen IX. The proper accumulation of the vitreous within the eye is crucial for the correct growth of the chick eye.

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Books on the topic "The crystalline lens"

1

Bobrow, James C. Lens and cataract. San Francisco, CA: American Academy of Ophthalmology, 2011.

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Wistow, Graeme. Molecular biology and evolution of crystallins: Gene recruitment and multifunctional proteins in the eye lens. New York: Springer, 1995.

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3

EURAGE/BBS Symposium on "The Lens: Transparency and Cataract" (1985 Norwich, England). The lens: Transparency and cataract : proceedings of the EURAGE/BBS Symposium on "The Lens: Transparency and Cataract" held in Norwich, United Kingdom, April 16-18, 1985. Edited by Duncan George 1943-, British Biophysical Society, and EURAGE (Program). Rijswijk: EURAGE, 1986.

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4

American Academy of Ophthalmology. Foundation. Lens and cataract. 2nd ed. San Francisco, CA: Foundation of the American Academy of Ophthalmology, 2001.

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5

Klein, Betty Rae. Permeability of the posterior lens capsule in vitro and in vivo. [New Haven: s.n], 1986.

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6

Wood, Casey A. The after-treatment of normal cataract extraction. [S.l: s.n., 1985.

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J, Bron Anthony, ed. Lens disorders: A clinical manual of cataract diagnosis. Oxford: Butterworth-Heinemann, 1995.

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8

1935-, Sasaki K., and Hockwin Otto, eds. Cataract epidemiology. Basel: Karger, 1996.

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9

Premium cataract surgery: A step-by-step guide. Thorofare, NJ: Slack Incorporated, 2012.

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10

Age-related cataract. New York: Oxford University Press, 1991.

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Book chapters on the topic "The crystalline lens"

1

Baumeister, Martin, and Thomas Kohnen. "Crystalline Lens." In Encyclopedia of Ophthalmology, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-642-35951-4_415-3.

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Baumeister, Martin, and Thomas Kohnen. "Crystalline Lens." In Encyclopedia of Ophthalmology, 559–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-540-69000-9_415.

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Cameron, J. Douglas, and Dejan M. Rašić. "The Crystalline Lens." In Eye Pathology, 173–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-43382-9_5.

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Gomez-Reino, Carlos, Maria Victoria Perez, and Carmen Bao. "GRIN Crystalline Lens." In Gradient-Index Optics, 189–207. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04741-5_8.

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Chen, Weirong, Xuhua Tan, and Xiaoyun Chen. "Anatomy and Physiology of the Crystalline Lens." In Pediatric Lens Diseases, 21–28. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2627-0_3.

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Kasturi, Nirupama, and Jyoti Matalia. "Anatomy of the Human Crystalline Lens." In Posterior Capsular Rent, 13–16. New Delhi: Springer India, 2017. http://dx.doi.org/10.1007/978-81-322-3586-6_2.

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Kim, Wan Soo, and Kyeong Hwan Kim. "Dislocation of Crystalline Lens and Marfan’s Syndrome." In Challenges in Cataract Surgery, 65–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-46092-4_10.

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Kuszak, J. R., B. A. Bertram, and J. L. Rae. "The Ordered Structure of the Crystalline Lens." In Cell and Developmental Biology of the Eye, 35–60. New York, NY: Springer New York, 1986. http://dx.doi.org/10.1007/978-1-4612-4914-6_3.

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Storey, John K., Cindy Tromans, and Ezra Rabie. "Continuous biometry of the crystalline lens during accommodation." In Documenta Ophthalmologica Proceedings Series, 117–23. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0601-3_13.

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Bursell, Sven-Erik, and Nai-Teng Yu. "Fluorescence and Raman Spectroscopy of the Crystalline Lens." In Noninvasive Diagnostic Techniques in Ophthalmology, 319–41. New York, NY: Springer New York, 1990. http://dx.doi.org/10.1007/978-1-4613-8896-8_17.

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Conference papers on the topic "The crystalline lens"

1

Peng, Yuhua, Xirui Zhang, Xiaobing Wang, and Aizhen Liu. "Modeling of Human Crystalline Lens." In 2008 2nd International Conference on Bioinformatics and Biomedical Engineering (ICBBE '08). IEEE, 2008. http://dx.doi.org/10.1109/icbbe.2008.776.

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Marcos, Susana, Alberto de Castro, Enrique Gambra, Judith Birkenfeld, Sergio Ortiz, Pablo Pérez-Merino, and Carlos Dorronsoro. "Ocular imaging and crystalline lens optical properties." In Frontiers in Optics. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/fio.2011.ftuh4.

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Wendt, Mark, and Shishir K. Shah. "Segmentation of crystalline lens in photorefraction video." In the Seventh Indian Conference. New York, New York, USA: ACM Press, 2010. http://dx.doi.org/10.1145/1924559.1924602.

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Marcos, Susana, Eduardo Martinez-Enriquez, Pablo Perez-Merino, Miriam Velasco-Ocana, and Mengchan Sun. "Unraveling eye crystalline lens optics, structure and function." In Latin America Optics and Photonics Conference. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/laop.2016.lth2c.1.

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Michael, Ralph, Jan van Marle, Gijs F. Vrensen, and Thomas J. van den Berg. "Refractive index of lens fiber membranes in different parts of the crystalline lens." In International Symposium on Biomedical Optics, edited by Fabrice Manns, Per G. Soederberg, and Arthur Ho. SPIE, 2002. http://dx.doi.org/10.1117/12.470590.

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Liu, L. H. "Index distribution in a crystalline lens of the eye." In 17th Congress of the International Commission for Optics: Optics for Science and New Technology. SPIE, 1996. http://dx.doi.org/10.1117/12.2316190.

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Tabernero, Juan, and Pablo Artal. "Oscillations of the crystalline lens in the human eye." In Bio-Optics: Design and Application. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/boda.2017.bom3a.4.

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Kim, Eon, Klaus Ehrmann, Stephen Uhlhorn, David Borja, and Jean-Marie Parel. "Automated analysis of OCT images of the crystalline lens." In SPIE BiOS: Biomedical Optics, edited by Fabrice Manns, Per G. Söderberg, and Arthur Ho. SPIE, 2009. http://dx.doi.org/10.1117/12.809986.

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Masajada, Agnieszka P. "Numerical model of refractive properties of a crystalline lens." In Ophthalmic Measurements and Optometry, edited by Maksymilian Pluta and Mariusz Szyjer. SPIE, 1998. http://dx.doi.org/10.1117/12.328306.

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Porindla, Sridhar N., Henry G. Rylander III, and Ashley J. Welch. "Acoustic effects of Q-switched Nd:YAG on crystalline lens." In Optics, Electro-Optics, and Laser Applications in Science and Engineering, edited by Steven L. Jacques. SPIE, 1991. http://dx.doi.org/10.1117/12.44111.

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