Lens (anatomy) "Mode of Discovering the Proper Capsule of the Crystalline Lens". The London Medical and Physical Journal. 34 ( ... Lens capsule developed from basal lamina of lens vesicle will cover early lens fibers. Capsule is evident at 5 weeks of human ... clouded lens is removed through opening made in anterior lens capsule. The intraocular lens is then inserted into the lens ... The lens capsule is the thickest basement membrane in the body. Normally, the lens capsule serves as a diffusion barrier. It is ...

A corelysis is a surgical detachment of adhesions of the iris to the capsule of the crystalline lens or cornea. A coremorphosis ... A cataract is an opacification or cloudiness of the eye's crystalline lens due to aging, disease, or trauma that typically ... If visual loss is significant, surgical removal of the lens may be warranted, with lost optical power usually replaced with a ... Refractive surgery aims to correct errors of refraction in the eye, reducing or eliminating the need for corrective lenses. ...

... layer of the crystalline lens). The crystalline lens capsule is retained and used to contain and position the intraocular lens ... most common forms of cataract surgery remove nearly all of the crystalline lens but do not remove the crystalline lens capsule ... is a type of eye surgery in which an incision is made into the capsule of the crystalline lens of the eye. In modern cataract ... It gives the surgeon access to the lens inside so that it can be removed. The remaining part of the capsule is left in place ...

... is a rare congenital anomaly of the eye characterized by a conical protrusion on the crystalline lens capsule and the ... sharply demarcated conical projection of the lens capsule and cortex, usually axial in localization. In an early stage, retro- ... This phenomenon is due to the different refraction in the central and the peripheral area of the lens. Ultrasonography also can ... It produces a decrease in visual acuity and irregular refraction that cannot be corrected by either spectacle or contact lenses ...

... lens capsule, crystalline MeSH A09.371.509.225 - lens cortex, crystalline MeSH A09.371.509.670 - lens nucleus, crystalline MeSH ...

... connecting the crystalline lens capsule to the ciliary body. Dropped nucleus: A cataract nucleus which has fallen through into ... the capsule of the lens must be opened. In earlier intracapsular cataract extraction, the whole lens and capsule was removed at ... As with other cataract removal procedures, an intraocular lens implant (IOL) is usually placed into the remaining lens capsule ... Capsular polishing is the removal of lens epithelial cells remaining in the capsule after cataract removal. Capsule ...

... a surgical technique in which the crystalline lens material is removed but the surrounding capsule which contained it is left ... The capsule of the lens was pierced with a smaller cut than in conventional cataract surgery - just 1-1.5 mm - and drained of ... The capsule was otherwise left intact as this is lined with lens epithelial stem cells, which then reproduced to regenerate the ... The new lens was similar in structure to the structure but its shape might be irregular. Filling the capsule during ...

Absence of the lens of the eye Capsulorhexis - Tearing an opening in the lens capsule during cataract surgery Contact lens - ... also known as refractive lens exchange (RLE) or clear lens extraction (CLE). During CLEAR, the crystalline lens is extracted ... If the natural lens is left in the eye, the IOL is known as phakic, otherwise it is a pseudophakic lens (or false lens). Both ... Once the lens has been optimised a final exposure of the whole lens is made to lock the changes, after which the lens will no ...

Following surgery or injury, lens material may leak into outside the lens capsule. Large lens fragments spontaneously break up ... The crystalline lens inside the human eye has been implicated as a causative factor in many forms of glaucoma. Lens induced ... The main symptoms are a smaller and more spherical crystalline lens and weak zonules. due to weak zonules, the lens may undergo ... Ectopia lentis is a displacement or malposition of the eye's crystalline lens from its normal location. The displace lens leads ...

The lens has three main parts: the lens capsule, the lens epithelium, and the lens fibers. The lens capsule is a relatively ... "equator of the crystalline lens - definition of equator of the crystalline lens in the Medical dictionary - by the Free Online ... The lens epithelium is a single layer of cells at the front of the lens between the lens capsule and the lens fibers. By ... Inside the capsule much thinner lens fibers form the bulk of the lens. The cells of the lens epithelium form a thin layer ...

... while the elastic lens capsule (posterior capsule) is left intact to allow implantation of an intraocular lens. The lens is ... Cataract surgery, also called lens replacement surgery, is the removal of the natural lens (also called the "crystalline lens ... In 1753, Samuel Sharp performed the first-recorded surgical removal of the entire lens and lens capsule: the lens was removed ... The lens is implanted in the eye's lens capsule, where the contractions of the ciliary body, which would focus the eye with the ...

The newts had part of their front limbs amputated and their crystalline lenses removed to study the possible rate of human ... A barometric pressure recorder mounted in the primate capsule was used to correct and normalise the implanted pressure sensor ... Monkeys were housed in Soviet biosatellite capsules, as for the Kosmos 1514 mission. United States hardware developed for the ...

... causing the central surfaces of the crystalline lens to steepen, the central thickness of the lens to increase (anterior- ... Normally the lens is held under tension by its suspending ligaments and capsule being pulled tight by the pressure of the ... model of lens focus proposed by Coleman demands less tension on the ligaments suspending the lens. Rather than the lens as a ... The age related changes in the human lens may also be related to changes in the water dynamics in the lens. The young human eye ...

The zonules attach to the lens capsule 2 mm anterior and 1 mm posterior to the equator, and arise of the ciliary epithelium ... that connects the ciliary body with the crystalline lens of the eye. These fibers are sometimes collectively referred to as the ... The zonules insert around the outer margin of the lens (equator), both anteriorly and posteriorly. Securing the lens to the ... "Surface ultrastructure of the human lens capsule and zonular attachments". Investigative Ophthalmology. 15 (1): 36-40. PMID ...

Crystalline Suspension: With crystalline suspensions the crystalline size governs the rate of absorption and therefore the ... Progesterone in the form of oral capsules; vaginal capsules, tablets/inserts, and gels; and intramuscular oil have widespread ... Lens J, Overbeek GA, Polderman J (1949). "The effect of sex hormones in some organic solvents; emulsified in water". Acta ... Progesterone is available in a variety of different forms, including oral capsules; sublingual tablets; vaginal capsules, ...

... is a displacement or malposition of the eye's crystalline lens from its normal location. A partial dislocation ... in which lens comes out of the eyeball and becomes trapped under the Tenon's capsule or conjunctiva. A nonsurgical alternative ... of a lens is termed lens subluxation or subluxated lens; a complete dislocation of a lens is termed lens luxation or luxated ... Anterior lens luxation is considered to be an ophthalmological emergency. With posterior lens luxation, the lens falls back ...

It assembles its seed capsules around a branch of the plant. The structure depends on the seed capsule size to branch size. A ... into cylindrical crystalline structures. Columnar structures appear in various research fields on a broad range of length ... which find applications in super lenses or optical cloaking. Tanjeem et al. are constructing such a resonator by self- ...

They form photosensitizers in the crystalline lens, which has implications for cataract development. Reduced muscle function is ... Large AGE proteins unable to enter the Bowman's capsule are capable of binding to receptors on endothelial and mesangial cells ... lens and renal cortex of diabetic rats. The inhibition of AGE formation reduced the extent of nephropathy in diabetic rats. ... "Advanced Glycation Endproducts Induce Photocrosslinking and Oxidation of Bovine Lens Proteins Through Type-I Mechanism". ...

This extreme, localized heat causes the quartz to change from its vitreous form into a weaker, crystalline form that leaks gas ... Halogen lamps' thick glass lenses are safe to use inside high humidity reptile enclosures. Banks of powerful tubular halogen ... and the bulb may be handled without damaging it surroundings are protected from possible shattering of the inner capsule the ...

... posterior lens capsule opacification'. Growth of natural lens cells remaining after the natural lens was removed may be the ... Aliancy, Joah F.; Mamalis, Nick (1995), Kolb, Helga; Fernandez, Eduardo; Nelson, Ralph (eds.), "Crystalline Lens and Cataract ... Posterior subcapsular cataracts are cloudy at the back of the lens adjacent to the capsule (or bag) in which the lens sits. ... In all types of surgery, the cataractous lens is removed and replaced with an artificial lens, known as an intraocular lens, ...

Immersion lithography places a layer of pure water between the projection lens and the wafer. Any contaminant within the water ... Spiegelman, J. "Silicon Dioxide Layer Key to High Efficiency Crystalline Solar Cells". Technical White Paper, 2010. Deal, B. E ... The boiling action of water creates microdroplets, which act as liquid capsules that entrain particles and molecular ... Jianhua Zhao, "Production Technologies For High Efficiency Crystalline Silicon Solar Cells", CEEG Nanjing PV-Tech Co. Ltd, ...

The screen may be a fresnel lens to increase brightness at the cost of viewing angles. Some early units used CRT projectors and ... "Sony Founder Masaru Ibuka's New Year's Dream Comes True: The Launch of Sony's TV Business". Time Capsule. Sony. 21. 17 November ... Kimizuka, Noboru; Yamazaki, Shunpei (2016). Physics and Technology of Crystalline Oxide Semiconductor CAAC-IGZO: Fundamentals. ...

The UPW forms a puddle between the lens and the wafer, improving NA, and the UPW must be extremely pure. POU filtration is used ... Certain tools may use a fixed filter housing with replaceable filters, whereas other tools may use disposable filter capsules ... and crystalline silicon photovoltaics; the cleanliness requirements in the semiconductor industry, however, are currently the ... Another POU UPW application for lithography is the immersion water used at the lens/wafer interface for 193 nm immersion ...

The eye changes focus by shifting the position of the entire lens with respect to the retina, instead of reshaping the lens as ... The egg case is produced through a complex capsule of the female accessory genital glands and the ink bag. On occasion, a large ... They reflect light using plates of crystalline chemochromes made from guanine. When illuminated, they reflect iridescent colors ... Leucophores, usually located deeper in the skin than iridophores, are also structural reflectors using crystalline purines, ...

1 µm down to 250 nm, depending on the wavelength and type of objective lens (e.g., air vs. water or oil immersion lenses). The ... Transmission Raman - Allows probing of a significant bulk of a turbid material, such as powders, capsules, living tissue, etc. ... "Controlled Vapor Phase Growth of Single Crystalline, Two-Dimensional Ga Se Crystals with High Photoresponse". Scientific ... Electromagnetic radiation from the illuminated spot is collected with a lens and sent through a monochromator. Elastic ...

Glasses (non-crystalline ceramics) also are used widely as host materials for lasers. Relative to crystalline lasers, they ... The use of evacuated glass capsules to perform HIP treatment allowed samples that showed open porosity after vacuum sintering ... laser amplifiers and lenses, hosts for solid-state lasers and optical window materials for gas lasers, and infrared (IR) heat ... the size of the crystalline grains is determined largely by the size of the crystalline particles present in the raw material ...

Ceramic materials may have a crystalline or partly crystalline structure, with long-range order on atomic scale. Glass ceramics ... laser amplifiers and lenses, hosts for solid-state lasers and optical window materials for gas lasers, and infrared (IR) heat ... "Fluorescent Guest Molecules Report Ordered Inner Phase of Host Capsules in Solution". Science. 309 (5743): 2037-9. Bibcode: ... At a certain point (~70% crystalline) the glass-ceramic has a net TEC near zero. This type of glass-ceramic exhibits excellent ...

Orange spider egg sac hanging from ceiling Gasteracantha mammosa spiderlings next to their eggs capsule Wolf spider carrying ... Vollrath, F. & Knight, D.P. (2001). "Liquid crystalline spinning of spider silk". Nature. 410 (6828): 541-48. Bibcode:2001Natur ... This acuity is achieved by a telephotographic series of lenses, a four-layer retina, and the ability to swivel the eyes and ...

Capsule of lens Cornea Emission theory (vision) Eye color Eye development Eye disease Eye injury Eye movement Eyelid Lens ( ... there is a single large facet that is three times in diameter the others in the eye and behind this is an enlarged crystalline ... In general, the lens is not spherical. Spherical lenses produce spherical aberration. In refractive corneas, the lens tissue is ... The number of lenses in such an eye varied widely; some trilobites had only one while others had thousands of lenses per eye. ...

capsule Dry fruit formed from two or more united carpels and dehiscing when ripe (usually by splitting into pieces or opening ... lenticular 1. lens-shaped. 2. covered in lenticels. lepidote covered with small scales. leprose powdery liana a woody climbing ... epicuticular wax A layer of crystalline or amorphous wax deposited on the surface of the cuticle. epidermis An organ's ... lenticel Typically lenticular (lens-shaped) porous tissue in bark with large intercellular spaces that allows direct exchange ...