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*  Cataract surgery
... a technique that uses ultrasonic waves to emulsify the nucleus of the crystalline lens in order to remove the cataracts without ... soft part of the lens around the nucleus). After phacoemulsification of the lens nucleus and cortical material is completed, a ... Cataract surgery is the removal of the natural lens of the eye (also called "crystalline lens") that has developed an ... The multifocal intraocular lens is one of the newest types of such lenses. They are often referred to as "premium" lenses ...
*  Nuclear sclerosis
... is an age-related change in the density of the crystalline lens nucleus that occurs in all older animals. It ... Nuclear sclerosis appears as a bilateral bluish-grey haziness at the nucleus, or center of the lens, caused by an increase in ... is caused by compression of older lens fibers in the nucleus by new fiber formation. The denser construction of the nucleus ... ISBN 0-683-30076-8. CS1 maint: Extra text: authors list (link) Petersen-Jones, Simon M. (2003). "Conditions of the Lens". ...
*  Howard Gimbel
It consists of fashioning two orthogonal and deep central grooves in the crystalline lens nucleus, followed by mechanical ... It consists of making a small circular opening on the anterior surface of the crystalline lens to facilitate subsequent ... Binkhorst C. Intraocular lenses. Am J Ophthalmol 1970;70(2):311-2. Binkhorst C. The optical design of intraocular lens implants ... Worst J. Intraocular lenses: complications, complication factors, and adverse conditions in lens implantation surgery. Trans ...
*  List of MeSH codes (A09)
... lens capsule, crystalline MeSH A09.371.509.225 --- lens cortex, crystalline MeSH A09.371.509.670 --- lens nucleus, crystalline ...
*  List of dog diseases
Nuclear sclerosis appears as a bilateral bluish-grey haziness at the nucleus, or center of the lens, and has little effect on ... Corneal dystrophy can also have a crystalline appearance. Corneal ulcer, or ulcerative keratitis, is an inflammatory condition ... Lens diseases Cataracts* are an opacity in the lens of the eye. Most cataracts in dogs are caused by a genetic predisposition, ... Lens luxation is a displacement of the lens from its normal position. Terrier breeds are predisposed. Nuclear sclerosis is a ...
*  Lighting for the elderly
... such as having smaller pupils and less transparent crystalline lenses. Furthermore, as an individual ages, he or she begins to ... The suprachiasmatic nucleus (SCN) regulates melatonin and temperature and typically produces melatonin at night. Melatonin ... the lens inside your eye becomes thicker, and the lens scatters more light, causing objects and colors to appear less vivid. ... As people age, they experience neurodegeneration in the retina and in the suprachiasmatic nucleus (SCN). Less light reaches the ...
*  Lens (anatomy)
... the lens is split into an embryonic nucleus, the fetal nucleus, the adult nucleus, and the outer cortex. New lens fibers, ... "equator of the crystalline lens - definition of equator of the crystalline lens in the Medical dictionary - by the Free Online ... the lens capsule, the lens epithelium, and the lens fibers. The lens capsule forms the outermost layer of the lens and the lens ... The lens epithelium, located in the anterior portion of the lens between the lens capsule and the lens fibers, is a simple ...
*  Alpha-enolase
... a lens crystalline; a heat shock protein; and a binding partner of cytoskeletal and chromatin structures to aid in ... though an alternatively translated form is localizes to the nucleus. Its nuclear form, also known as MBP1, functions solely as ... Alpha-enolase, in addition, functions as a structural lens protein (tau-crystallin) in the monomeric form. Alternative splicing ...
*  Advanced glycation end-product
They form photosensitizers in the crystalline lens, which has implications for cataract development. Reduced muscle function is ... In humans, histones in the cell nucleus are richest in lysine, and therefore form the glycated protein N(6)-Carboxymethyllysine ... Fuentealba D, Friguet B, Silva E. Advanced glycation endproducts induce photocrosslinking and oxidation of bovine lens proteins ...
*  Kosmos 1667
The newts had part of their front limbs amputated and their crystalline lenses removed to study the possible rate of human ... The instruments consisted of bilaterally implanted microelectrodes in the vestibular nuclei, and electro-oculogram and ...
*  Crystallography
An image of a small object is made using a lens to focus the beam, similar to a lens in a microscope. However, the wavelength ... Mostly, materials do not occur as a single crystal, but in poly-crystalline form (i.e., as an aggregate of small crystals with ... Neutrons are scattered by the atomic nuclei through the strong nuclear forces, but in addition, the magnetic moment of neutrons ... Electrons are charged particles and therefore interact with the total charge distribution of both the atomic nuclei and the ...
*  Transmission electron microscopy DNA sequencing
In fact, oxygen, nitrogen, lithium, and hydrogen in crystalline solids have been imaged using annular bright-field electron ... Annular dark-field imaging measures the scattering of electrons as they deflect off the nuclei of the atoms in the transmission ... further improvement in spatial resolution requires correcting the spherical and chromatic aberrations of the microscope lenses ... the structure of DNA is much less geometric than crystalline solids, so direct imaging without prior labeling may not be ...
*  Vision in fishes
Khorramshahia, O; Schartaua, JM; Krögera, RHH (2008). "A complex system of ligaments and a muscle keep the crystalline lens in ... "Excitatory and inhibitory vestibular pathways to the extraocular motor nuclei in goldfish". Journal of Neurophysiology. 77 (5 ... Lenses are normally spherical but can be slightly elliptical in some species. Compared to terrestrial vertebrates, fish lenses ... Due to "a refractive index gradient within the lens - exactly as one would expect from optical theory" the spherical lenses of ...
*  Serpens
It consists of two large spiral galaxies in the process of colliding with their nuclei orbiting at a distance of 1,200 light- ... An example of gravitational lensing is found in the radio galaxy 3C 324. First thought to be a single overluminous radio galaxy ... "Crystalline Silicate Emission in the Protostellar Binary Serpens SVS 20". The Astrophysical Journal. 629 (2): 897. arXiv:astro- ... Slightly fainter is NGC 5921, a barred spiral galaxy with a LINER-type active galactic nucleus situated somewhat closer at a ...
*  Index of physics articles (C)
... structure of boron-rich metal borides Crystal structure prediction Crystal system Crystal twinning Crystalline Crystalline ... Ceiling level Celestial spheres Celor lens Centauro event Center-of-momentum frame Center for Integrated Plasma Studies Center ... theory Close-packing of equal spheres Closed system Closed timelike curve Closed wing Cloud chamber Cloud condensation nuclei ... Collective excitations Collider Collider Detector at Fermilab Colligative properties Collimated light Collimating lens ...
*  Russell Fernald
Fernald, Russell D.; Wright, Stephen E. (1983). "Maintenance of optical quality during crystalline lens growth". Nature. 301 ( ... He was supported by the Ford Foundation and studied the neurobiology of the cat cochlear nucleus using single cell recording ... circadian renewal of photoreceptor opsins and mechanisms of crystalline lens focus (Rank Prize); 2) In social control of ... "Refractive index distribution and spherical aberration in the crystalline lens of the African cichlid fish Haplochromis burtoni ...
*  Visual system
... in convergence of the eyes and lens adjustment. Nuclei of the optic tract are involved in smooth pursuit eye movement and the ... The armored shell of the chiton Acanthopleura granulata is also covered with hundreds of aragonite crystalline eyes, denoted ... The cornea and lens act together as a compound lens to project an inverted image onto the retina. The retina consists of a ... The lateral geniculate nucleus (LGN) is a sensory relay nucleus in the thalamus of the brain. The LGN consists of six layers in ...
*  Royal Society Bakerian Medal
1982 Martin John Rees, Galaxies and their nuclei. 1981 Robert Joseph Paton Williams, Natural selection of the chemical elements ... 1899 James Alfred Ewing & Walter Rosenhain, The Crystalline Structure of Metals. 1898 William James Russell, Further ... the perfect lens and metamaterials 2004 Michael Pepper, Semiconductor nanostructures and new quantum effects 2003 Christopher ...
*  Glossary of physics
A nuclear reaction in which two or more atomic nuclei join together, or "fuse", to form a single heavier nucleus. Contents: 0-9 ... Or its non-crystalline solid. Ampere - A unit that describes the rate of flow of electricity (current). Amplifier - Amplitude ... Coherence - Cold fusion - Complex harmonic motion - Compton scattering - Concave lens - Condensation point - Condensed matter ... The atomic nucleus contains a mix of positively charged protons and electrically neutral neutrons Atomic line filter - Atomic ...
*  Eye
In general, the lens is not spherical. Spherical lenses produce spherical aberration. In refractive corneas, the lens tissue is ... retinal photosensitive ganglion cells send signals along the retinohypothalamic tract to the suprachiasmatic nuclei to effect ... there is a single large facet that is three times in diameter the others in the eye and behind this is an enlarged crystalline ... The number of lenses in such an eye varied, however: some trilobites had only one, and some had thousands of lenses in one eye ...
*  Accommodation (eye)
... causing the central surfaces of the crystalline lens to steepen, the central thickness of the lens to increase (anterior- ... is under the control of the Edinger-Westphal nucleus and is referred to as the near triad, or accommodation reflex. While it is ... The increased equatorial zonular tension keeps the lens stable and flattens the peripheral lens surface during accommodation. ... causing the lens zonules to slacken which allows the lens to spring back into a thicker, more convex, form. Schachar-Ronald A. ...
*  Adult development
Glasser, A., & Campbell, M. C. (1998). Presbyopia and the optical changes in the human crystalline lens with age. Vision ... updrs tracks motor and non-motor improvement due to subthalamic nucleus deep brain stimulation in parkinson disease. ...
*  ICD-10 Chapter VII: Diseases of the eye, adnexa
Other disorders of lens (H27.0) Aphakia (H27.1) Dislocation of lens (H28) Cataract and other disorders of lens in diseases ... Crystalline deposits in vitreous body (H43.3) Other vitreous opacities (H43.8) Other disorders of vitreous body (H43.9) ... geniculate nuclei and optic radiations (H47.6) Disorders of visual cortex (H47.7) Disorders of visual pathways, unspecified ( ... Lens-induced iridocyclitis (H20.8) Other iridocyclitis (H20.9) Iridocyclitis, unspecified (H21) Other disorders of iris and ...
*  Protein moonlighting
The α-crystallins provide a convincing case for a lens crystallin using its non-refractive ability within the lens to prevent ... However ADT2, together with FtsZ is necessary in chloroplast division and ADT5 is transported by stromules into the nucleus. In ... The fact that similar transcriptional factors such as Pax-6, and retinoic acid receptors, regulate different crystalline genes ... Expression studies in non-lens cells showed that the αB-crystallin, other than being a functional lens protein, is a functional ...
*  Neuroprosthetics
Blindness can result from damage to the optical pathway (cornea, aqueous humor, crystalline lens, and vitreous). This can ... CI electrode arrays are implanted in the cochlea, ABI electrode arrays stimulate the cochlear nucleus complex in the lower ... Preliminary results of a multicenter clinical trial of the Iowa/Nucleus hybrid implant," Audiol. Neurotol., vol. 11 (suppl.), ...
*  Potential applications of graphene
TRAIL on the cell surface triggers the apoptosis while DOX attacks the nucleus. These two drugs work synergistically and were ... Szondy, David (January 31, 2016). "Graphene optical lens a billionth of a meter thick breaks the diffraction limit". newatlas. ... "pH dependent isotropic to nematic phase transitions in graphene oxide dispersions reveal droplet liquid crystalline phases". ... Scott, Cameron (March 29, 2014). "Contact Lenses with Infrared Vision? Ultra-thin Graphene Opens Up The Possibilities". ...