Corneal dystrophies | Orphanet Journal of Rare Diseases | Full Text
... Histopathologically, MECD is characterized by intraepithelial cysts at different levels in the corneal epithelium, which is irregular in thickness. Degenerated cellular debris within the intraepithelial microcysts manifests autofluorescence in ultraviolet (UV) light and it stains with the Hale collo ...
... Histopathologically, MECD is characterized by intraepithelial cysts at different levels in the corneal epithelium, which is irregular in thickness. Degenerated cellular debris within the intraepithelial microcysts manifests autofluorescence in ultraviolet (UV) light and it stains with the Hale collo ...
Vitreous: From Biochemistry to Clinical Relevance
... are largely composed of disaccharide units similar to those found in basement membrane collagen. They proposed that these distinct chemical features are related to the special structure of the mature vitreous fibrils in vivo. Liang and Chakrabarti27 have shown that there are differences between bovi ...
... are largely composed of disaccharide units similar to those found in basement membrane collagen. They proposed that these distinct chemical features are related to the special structure of the mature vitreous fibrils in vivo. Liang and Chakrabarti27 have shown that there are differences between bovi ...
major review - Keratoconus.com
... its etiology. Videokeratography is playing an increasing role in defining the genetics of keratoconus, since early forms of the disease can be more accurately detected and potentially quantified in a reproducible manner. Laboratory studies suggest a role for degradative enzymes and proteinase inhibi ...
... its etiology. Videokeratography is playing an increasing role in defining the genetics of keratoconus, since early forms of the disease can be more accurately detected and potentially quantified in a reproducible manner. Laboratory studies suggest a role for degradative enzymes and proteinase inhibi ...
Letter - LASIK Complications, Risks
... drive or perform any activity in lighted conditions. I would also like to make the point that it is not only LASIK that needs to be re-evaluated but the physicians' themselves that perform LASIK and provide no follow up care or responsibility to their patients that have negative and debilitating res ...
... drive or perform any activity in lighted conditions. I would also like to make the point that it is not only LASIK that needs to be re-evaluated but the physicians' themselves that perform LASIK and provide no follow up care or responsibility to their patients that have negative and debilitating res ...
optimisation of the ablation profiles in customised
... Pérez-Escudero, Pablo Pérez Merino, and Enrique Gambra. This research was granted by SCHWIND eye-tech-solutions. ...
... Pérez-Escudero, Pablo Pérez Merino, and Enrique Gambra. This research was granted by SCHWIND eye-tech-solutions. ...
Presentación de PowerPoint
... • Limitations of keratometry: – An astigmatism determined through keratometry corresponds to the anterior face of the cornea. • Astigmatism also exists in the posterior face of the cornea, being crystalline and even retinal. – The design of the keratometer is based on spherical surfaces and this lea ...
... • Limitations of keratometry: – An astigmatism determined through keratometry corresponds to the anterior face of the cornea. • Astigmatism also exists in the posterior face of the cornea, being crystalline and even retinal. – The design of the keratometer is based on spherical surfaces and this lea ...
Understanding the vitreous
... vitreous gel transparency and volume. Scott35 compares the loose, but organised pattern of collagen fibrils in the human vitreous, tied together by proteoglycan bridges, to the organisation of the corneal collagen fibrils. The cornea contains thicker and more numerous collagen fibrils, exactly paral ...
... vitreous gel transparency and volume. Scott35 compares the loose, but organised pattern of collagen fibrils in the human vitreous, tied together by proteoglycan bridges, to the organisation of the corneal collagen fibrils. The cornea contains thicker and more numerous collagen fibrils, exactly paral ...
Corneal hysteresis and its relevance to glaucoma
... corneal hysteresis was correlated with greater mean cup depth increase (P ¼ 0.032). Eyes with higher corneal hysteresis experienced more ONH deformation with IOP elevation, a process that may allow the eye to dissipate mechanical forces and better protect the retinal nerve fibers than an eye with lo ...
... corneal hysteresis was correlated with greater mean cup depth increase (P ¼ 0.032). Eyes with higher corneal hysteresis experienced more ONH deformation with IOP elevation, a process that may allow the eye to dissipate mechanical forces and better protect the retinal nerve fibers than an eye with lo ...
Jaypee Gold Standard Mini Atlas Series
... Spectacle correction of sight is designed only to eliminate defocus errors and astigmatism. These are the only optical aberrations that can be handled by the simplest theory of imaging, known as paraxial optics, which excludes all light rays finitely distant from a central ray or power axis. Ignorin ...
... Spectacle correction of sight is designed only to eliminate defocus errors and astigmatism. These are the only optical aberrations that can be handled by the simplest theory of imaging, known as paraxial optics, which excludes all light rays finitely distant from a central ray or power axis. Ignorin ...
Hyperopia - American Optometric Association
... and their relationship to axial length.3-6 The early refractive development of the eye reflects a pattern of growth and change in which the eye's overall axial length and various optical components are coordinated to minimize refractive error. As a result, long eyes tend to have flat corneas and sho ...
... and their relationship to axial length.3-6 The early refractive development of the eye reflects a pattern of growth and change in which the eye's overall axial length and various optical components are coordinated to minimize refractive error. As a result, long eyes tend to have flat corneas and sho ...
The Corneal Dystrophies Why should we be interested in the
... Heterogenous group of rare systemic genetic disorders characterized by accumulation of GAGs w/in multiple organ systems Result from inherited abnormalities of specific lysosomal enzymes involved in degradation of GAGs GAGs accumulate intra- and extracellularly distorting cells and extacellular matri ...
... Heterogenous group of rare systemic genetic disorders characterized by accumulation of GAGs w/in multiple organ systems Result from inherited abnormalities of specific lysosomal enzymes involved in degradation of GAGs GAGs accumulate intra- and extracellularly distorting cells and extacellular matri ...
Session 440 Corneal biomechanics
... follow up (p = 0.002) and it remained stable throughout the next year (p = 0.115); the sphere value presented with a significant reduction (p = 0.034); there was no significant change over the cylinder’s value (p = 0.239); the spherical equivalent significantly decreased its value (p = 0.006); final ...
... follow up (p = 0.002) and it remained stable throughout the next year (p = 0.115); the sphere value presented with a significant reduction (p = 0.034); there was no significant change over the cylinder’s value (p = 0.239); the spherical equivalent significantly decreased its value (p = 0.006); final ...
ARVO 2016 Annual Meeting Abstracts 273 Corneal Extracellular
... Purpose: Keratoconus (KC) is a corneal disorder characterized by progressive structural thinning, resulting in a conical-shaped cornea causing loss of vision. Cell-extracellular matrix interactions are thought to control normal tissue organization and transparency and it is expected that these inter ...
... Purpose: Keratoconus (KC) is a corneal disorder characterized by progressive structural thinning, resulting in a conical-shaped cornea causing loss of vision. Cell-extracellular matrix interactions are thought to control normal tissue organization and transparency and it is expected that these inter ...
CORNEAL - Today`s Veterinary Practice
... disease process, especially since both glaucoma and uveitis are vision-threatening diseases, and some causes of uveitis can even be life-threatening.2,3 When no cause is found or the underlying disease is untreatable, symptomatic treatment with hypertonic sodium chloride (nacl) ophthalmic ointment m ...
... disease process, especially since both glaucoma and uveitis are vision-threatening diseases, and some causes of uveitis can even be life-threatening.2,3 When no cause is found or the underlying disease is untreatable, symptomatic treatment with hypertonic sodium chloride (nacl) ophthalmic ointment m ...
The effect of subconjunctival ranibizumab on corneal and anterior
... limbus, in the cauterized eyes of the second group (untreated eyes). A third group of 4 rabbits was only injected subconjunctivally with 0.1 mL (1 mg) of ranibizumab in the one eye in order to evaluate possible side effects. A topical antibiotic (Tobramycin; Tobrex®, Alcon, Hellas) was administered ...
... limbus, in the cauterized eyes of the second group (untreated eyes). A third group of 4 rabbits was only injected subconjunctivally with 0.1 mL (1 mg) of ranibizumab in the one eye in order to evaluate possible side effects. A topical antibiotic (Tobramycin; Tobrex®, Alcon, Hellas) was administered ...
2.7 Follow-up
... Follow-up registry of corneal grafts is a requirement to control quality. Analysis of the numerous factors influencing the results will make it possible to continuously improve the quality of care in the chain of corneal transplantation by corrective and preventive measures. At the outset of graftin ...
... Follow-up registry of corneal grafts is a requirement to control quality. Analysis of the numerous factors influencing the results will make it possible to continuously improve the quality of care in the chain of corneal transplantation by corrective and preventive measures. At the outset of graftin ...
Full paper
... AL-2000 pachymeter). The preoperative corneal curvature was measured using automated keratometry (Nidek ARK7000A). All patients had a slit lamp examination and the preoperative intra ocular pressure IOP was recorded (Haag Streit applanation tonometer), followed by posterior segment indirect ophthalm ...
... AL-2000 pachymeter). The preoperative corneal curvature was measured using automated keratometry (Nidek ARK7000A). All patients had a slit lamp examination and the preoperative intra ocular pressure IOP was recorded (Haag Streit applanation tonometer), followed by posterior segment indirect ophthalm ...
Wavefront Analysis for Keratoconus
... Types of Wavefront Measuring Systems 1. Hartmann-Shack aberrometer is an outgoing wavefront aberrometer which is considered the most popular system available in commercial instruments as well as the most common and accepted method of measuring total ocular aberrations in clinical research and in re ...
... Types of Wavefront Measuring Systems 1. Hartmann-Shack aberrometer is an outgoing wavefront aberrometer which is considered the most popular system available in commercial instruments as well as the most common and accepted method of measuring total ocular aberrations in clinical research and in re ...
EMIL WILLIAM CHYNN, MD - Park Avenue SafeSight
... Chynn, EW. Acute intraocular retinal stimulation in normal and blind humans. Ophthalmology Times. 2002. Chynn, EW. Leukocyte adhesion is associated with retinal vascular cell death in diabetes. Ophthalmology Times. ...
... Chynn, EW. Acute intraocular retinal stimulation in normal and blind humans. Ophthalmology Times. 2002. Chynn, EW. Leukocyte adhesion is associated with retinal vascular cell death in diabetes. Ophthalmology Times. ...
4-(164-168) 15-이종미
... Drawing graphs pertaining to the changes of HOAs before and after surgery, the anterior corneal aberration and ocular aberration were observed to increase equally, while the internal optics aberration maintained at a low level (Fig. 3). In the case of spherical aberration, a high value of anterior c ...
... Drawing graphs pertaining to the changes of HOAs before and after surgery, the anterior corneal aberration and ocular aberration were observed to increase equally, while the internal optics aberration maintained at a low level (Fig. 3). In the case of spherical aberration, a high value of anterior c ...
Cornea and Glaucoma
... ma is currently not validated and requires further investigation. In addition, the CCT is becoming more important clinically because of the large number of pa‐ tients who undergo laser in situ keratomileusis (LASIK), which causes high IOP elevations in‐ traoperatively [22] and a permanent corneal th ...
... ma is currently not validated and requires further investigation. In addition, the CCT is becoming more important clinically because of the large number of pa‐ tients who undergo laser in situ keratomileusis (LASIK), which causes high IOP elevations in‐ traoperatively [22] and a permanent corneal th ...
Free PDF - European Review for Medical and
... lubricant, plerosis, and nutrition, which could be applied to cure mechanical corneal epithelial injury effectively with the feature of stable therapeutic effect, absolute safety, and enough tolerance20. The effect of protein-free calf blood extract for recovery of corneal nerve after LASEK (Laser A ...
... lubricant, plerosis, and nutrition, which could be applied to cure mechanical corneal epithelial injury effectively with the feature of stable therapeutic effect, absolute safety, and enough tolerance20. The effect of protein-free calf blood extract for recovery of corneal nerve after LASEK (Laser A ...
Table of IRE Protocols from the Reviewed Literature March 2006
... most intense at anterior margin decreasing Corneal epithelium observations gradually towards the posterior margin; BD = distinct bright line on anterior margin and little reflection from remainder of cornea; BT = intense reflection throughout cornea reflecting presence of significant primary opacity ...
... most intense at anterior margin decreasing Corneal epithelium observations gradually towards the posterior margin; BD = distinct bright line on anterior margin and little reflection from remainder of cornea; BT = intense reflection throughout cornea reflecting presence of significant primary opacity ...
Cornea biomechanics and keratoprosthesis
... Purpose: To compare corneal strains induced by an ocular pulse of a few mmHg with those during inflation from 5 to 30 mmHg in the same eye to evaluate whether the ocular pulse associated strains could predict the outcome of a standard mechanical testing, i.e., inflation. Methods: Seventeen porcine g ...
... Purpose: To compare corneal strains induced by an ocular pulse of a few mmHg with those during inflation from 5 to 30 mmHg in the same eye to evaluate whether the ocular pulse associated strains could predict the outcome of a standard mechanical testing, i.e., inflation. Methods: Seventeen porcine g ...
Influence of Central Corneal Thickness (CCT) on Intraocular
... glaucoma compared with nonmyopes, rising as their degree of myopia increases10,11. Considering that if there are over 1 million refractive procedures performed per year, 10000–30000 of these patients may eventually develop glaucoma. The measurement of their IOP is an integral part of their managemen ...
... glaucoma compared with nonmyopes, rising as their degree of myopia increases10,11. Considering that if there are over 1 million refractive procedures performed per year, 10000–30000 of these patients may eventually develop glaucoma. The measurement of their IOP is an integral part of their managemen ...