• The patented Cornea-to-Retina Scan allows you to detect unusual eye geometries, such as tilt or decentration of the crystalline lens. (zeiss.com)
  • It happened due to small amount of curvatural defects of crystalline lens due to abnormal growth of child. (optography.org)
  • With the Enhanced Retro-illumination Imaging capability in the ERK-7800, you can treat and see abnormal crystalline lenses, cataracts, and scratches of corneas helping you to determine how healthy the patients eyes are with better clarity. (medicalindo.com)
  • ZEISS VERACITY Surgery Planner also incorporates topography maps and keratometry data like axial length, anterior chamber depth, lens thickness, white-to-white, and more. (zeiss.com)
  • A significant advantage of the femtosecond laser-and one that was possibly not anticipated in the early days of laser cataract surgery-is that the incorporated OCT imaging gives the surgeon much more information about the anatomy of the eye, the anterior chamber, and the lens thickness. (crstoday.com)
  • Knowing how big the crystalline lens is in relation to the anterior chamber helps me prepare for surgery and may eventually allow me to more accurately predict the effective lens position (ELP). (crstoday.com)
  • The SL-9800 is a Zeiss type LED light slit lamp (from the bottom), designed to observe the eye and its appendices (eyelids and eye contour), from the anterior segment (cornea, anterior chamber and crystalline) to the posterior segment (vitreous and retina), accessible using special magnifying glasses. (nidek.fr)
  • This type of astigmatism occurs due to the different refractive index in different meridian of lens of the patient suffering from Diabetes, developed Nuclear Sclerosis and Cataract. (optography.org)
  • Lenticular Irregular Astigmatism Is found in crystalline lens due to different refractive index in different parts of the lens. (optography.org)
  • This determines the refractive and keratometric properties of the human eye to assist eye care professionals in the process of prescribing corrective eyeglasses and contact lenses. (medicalindo.com)
  • The refractive index of an embedded PCM thin film is modulated through an amorphous-to-crystalline phase transition induced through thermal stimulus. (spiedigitallibrary.org)
  • These exotic materials exhibit a large refractive index shift across multiple wavebands through a reversible phase transition (amorphous-to-crystalline) initiated through external energy stimuli. (spiedigitallibrary.org)
  • For example, in a short eye with a shallow chamber, if the crystalline lens is of normal thickness, I would expect the IOL that replaces it to sit slightly forward and therefore have more power. (crstoday.com)
  • The fissures of crystalline rocks are limited to shallow depths, and water movement is lateral in the direction of the gradient downwards to the drainage area. (projectclue.com)
  • The system uses sophisticated algorithms to process volumetric OCT image data, map the surfaces of the cornea and lens, and create safety zones, which I can then move or customize if necessary. (crstoday.com)
  • 2017 ). Technical improvement of the drilling techniques, e.g., percussion drilling using air or water, has also enabled fast drilling of large-diameter wells to great depths in crystalline bedrock. (springeropen.com)
  • The well penetrates a heavily thrusted and predominantly strongly inclined sedimentary succession in hanging rock blocks along the main fault before entering the fractured crystalline basement at 1946 m, primarily composed of gneiss, granite, and metabasite. (springeropen.com)
  • In addition, the applicability of the four drilling methods used in the crystalline basement section is discussed. (springeropen.com)
  • The study area is underlain by two major lithologic units: Crystalline basement and Cretaceous sediments. (projectclue.com)
  • The crystalline basement rocks occupy the extreme south of the study area. (projectclue.com)
  • The material distinction allows the use of precision glass molding directly to optical elements with complex aspherical profiles, diffractive surfaces, freeform optics, and lens arrays. (techbriefs.com)
  • The classic example of a freeform surface in ophthalmic applications is the varifocal lens commonly used in eyeglasses. (photonics.com)
  • Compared with simple rotationally symmetrical lenses, however, the description of these freeform surfaces is very complex and the calculation costly, as they are individually adapted to each spectacle wearer and each eye for optimal results. (photonics.com)
  • Replacing several classic lenses with a freeform surface can also reduce the number of components in the assembly. (photonics.com)
  • Similar to the varifocal lens in ophthalmic applications, the freeform surface must also be elaborately calculated and designed. (photonics.com)
  • This is particularly true for precision-optic lenses with freeform surfaces. (photonics.com)
  • The objective lens acts as a collimator to select and focus the scattered light, which is then detected by the 2D detector to create a diffraction pattern. (wikipedia.org)
  • An embedded crystalline element (for example, a grain or domain) of choice (green) is aligned such that the detector is positioned at a Bragg angle that corresponds to a particular diffraction peak of interest, which is determined by the crystal structure of the sample. (wikipedia.org)
  • Hint ] Applications that worry about cross-sections for scattering through one angle, or another, include astrophysical studies of gravitational lensing, and a wide range of diffraction and imaging experiments with electrons, neutrons, ions, and light. (umsl.edu)
  • This means that the Crystalens® can provide a continuous range of vision, without corrective lenses, from near to far and everything in between. (seebetterflorida.com)
  • Nomograms for crystalline lens thickness have not yet been quantified, but several surgeons are working on exactly that. (crstoday.com)
  • Further, knowing the lens thickness and density also gives me a better idea of how far I can safely sculpt down, perhaps going deeper with a large lens and being more careful with a thin lens. (crstoday.com)
  • Ezers ERK-7800 is brilliantly designed technology measures the eye with ultra precision and speed to provide reliable data as the starting point of your refraction and contact lens fitting. (medicalindo.com)
  • This allows for observation of the eye condition of the cataract or contact lens surface. (medicalindo.com)
  • Dr. Mahootchi has never met an eye surgeon who implants multifocals that has actually worn a multifocal contact lens. (seebetterflorida.com)
  • The demands on these lenses in terms of accuracy, optical properties, and durability are ~10 to 1000× greater than for ophthalmic lenses. (photonics.com)
  • Gatan #652 Double-Tilt Heating Holder with a maximum operating temperature of 1000 degrees Celsius. (umich.edu)
  • The specialized objective lens in DFXM, referred to as an X-ray objective lens, is a crucial component of the instrumentation required for the technique. (wikipedia.org)
  • Gatan #636 Double-Tilt (x=±35 degrees, y=±35 degrees) Low Background (Be) Liquid-Nitrogen Stage. (umich.edu)
  • In contrast to single-vision lenses, they allow for a combination of three vision ranges: distance, intermediate, and near vision. (photonics.com)
  • In contrast to the often fully automated production of ophthalmic lenses, precision optic lenses are usually produced in small batches numbering up to 20 or, more rarely, 100 pieces without the automated linking of processes. (photonics.com)
  • The outcome and experiences from the deep geothermal exploration project in Lund is today highly relevant with respect to evaluating the deep geological conditions in fracture zones such as the Romeleåsen Fault Zone and in the Precambrian crystalline bedrock in general. (springeropen.com)
  • Therefore, measurements of eye and prescriptions for glasses and contact lenses can be made more efficiently. (medicalindo.com)
  • Used in conjunction with standard cataract treatment and extraction methods, the Crystalens® was designed to provide a continuous range of vision from distance to intermediate to reading vision without total dependence on glasses or contact lenses. (seebetterflorida.com)
  • Most people who have single vision lens implants MUST wear glasses for middle and near vision. (seebetterflorida.com)
  • Computer reading glasses have become very popular because they are designed for a further reading distance and have the magnification area higher up, minimizing the need to tilt your head back to see through the bottom of the lens. (firmoo.com)
  • Bifocals reading glasses, the mainstay of reading glasses, are only magnified in the lower portion of the lenses. (firmoo.com)
  • This is particularly relevant for lenses in precision optics, which are usually made of mineral glass, ceramic materials, or crystals rather than lightweight plastic. (photonics.com)
  • In precision optics, diamond turning is a niche application and is usually only possible with metals and certain crystalline materials, such as germanium, zinc selenide, calcium fluoride, and silicon. (photonics.com)
  • We found crystalline minerals that suggest the rocks formed in a basaltic lava flow, as well as salt minerals that could be evidence of ancient groundwater . (scitechdaily.com)
  • With hexagonal molecule structure, the all-new crystalline-graphene materials keeps the heat away every time you press play. (newgadgetsindia.com)
  • For this reason, production of precision lenses relies almost exclusively on high-quality and partly complex glass materials. (photonics.com)
  • In this technique, a synchrotron light source is used to generate an intense and coherent X-ray beam, which is then focused onto the sample using a specialized objective lens. (wikipedia.org)
  • The objective enables one to enlarge or reduce the spatial resolution and field of view within the sample by varying the number of individual lenses and adjusting p ′ {\displaystyle p'} and q ′ {\displaystyle q'} (as in the figure) correspondingly. (wikipedia.org)
  • Crystalens® is a replacement for the cataractous human lens or a mis-powered human lens. (seebetterflorida.com)
  • Crystalens® lens implants move and focus at different distances similar to the way the human natural lens works when we are younger. (seebetterflorida.com)
  • Standard (single vision) lens implants do not have the ability to provide a full range of vision. (seebetterflorida.com)
  • The outcome of the DGE-1 well shows significant fracturing in the crystalline bedrock at target depth. (springeropen.com)
  • If tilt does exist or the dock is not centered, the system's Integral Guidance automatically compensates using three-dimensional, full-volume optical coherence tomography (OCT) and automatic ocular surface mapping. (crstoday.com)
  • Priced at $38,250 MSRP 3 , Cadenzas equipped with the Luxury Package feature a full-length panoramic sunroof with power retractable sunshade, HID headlights with adaptive front lighting system (AFLS), 7-inch TFT LCD instrument cluster, premium Nappa leather seats, a memory-enabled 12-way ventilated driver's seat with seat cushion extension for unsurpassed comfort and support, heated steering wheel with power tilt and telescoping steering column. (kiamedia.com)
  • The tilted lines on this plot are contours of target mass density e.g. in grams per cubic centimeter. (umsl.edu)
  • The development of dark-field X-ray microscopy has been driven by the need for non-destructive imaging of bulk crystalline samples at high resolution, and it continues to be an active area of research today. (wikipedia.org)
  • In my opinion, the greatest benefits of the procedure are seen in the new information provided by the laser's imaging capabilities, lens fragmentation, and the creation of uniform, precise capsulotomies. (crstoday.com)
  • If my lens power calculations suggest that a 26.00 D lens would give me a plano result and a 26.50 D lens would produce a -0.33 D result, I would thus choose the 26.00 D IOL. (crstoday.com)
  • If, instead, I find a large, 5-mm-thick crystalline lens, I might make the opposite choice, because I would expect the lens to sit farther back in that capsule. (crstoday.com)
  • Acute studies with clonidine hydrochloride in humans have demonstrated a moderate reduction (15% to 20%) of cardiac output in the supine position with no change in the peripheral resistance: at a 45° tilt there is a smaller reduction in cardiac output and a decrease of peripheral resistance. (nih.gov)
  • Presbyopia occurs as the crystalline lens becomes less flexible, or the muscle that causes the lens to change becomes weaker. (firmoo.com)
  • During docking, the suction ring's design and direct visualization make it difficult to dock the laser very asymmetrically or to induce tilt. (crstoday.com)
  • En face OCT reflectance images which accompany OCTA studies offer a glimpse of the macrophage-like cellular activity above the retinal surface which responds to systemically instigated vascular events below. (stanford.edu)
  • Clonidine hydrochloride is an odorless, bitter, white, crystalline substance soluble in water and alcohol. (nih.gov)
  • The complexity, requirements, and manufacturing costs of the individual lens increase significantly per optically effective area. (photonics.com)
  • Lenses made of plastic can be produced effectively and economically by milling, turning, and polishing. (photonics.com)
  • These displays project a straight image onto a curved glass surface, which means that the distortion of the curved projection surface in the lens of the head-up display must be anticipated so it can be precisely canceled out from the perspective of the viewer. (photonics.com)
  • This means that the distortion of the curved projection surface in the lens of the head-up display must be anticipated so that it is then precisely canceled out in the addition. (photonics.com)
  • Next, saline is placed into the cup, the patient is brought underneath the laser head, and then an integrated joystick is used to X, Y, and Z the patient into docking with the interface's disposable lens. (crstoday.com)
  • In May 2008, Bausch and Lomb named The Eye Clinic of Florida one of only 100 Crystalens Centers of Excellence in the country.Experience counts with specialty lenses. (seebetterflorida.com)
  • The system then directs me through a capture-and-lock process to integrate the suction ring to the disposable lens. (crstoday.com)