Kumar H, Honavar SG, Vajpayee RB (1994). "Nd:YAG laser sweeping of the anterior surface of an intraocular lens: a new ... "Pre-existing posterior capsule breaks from perforating ocular injuries". J Cataract Refract Surg. 20 (3): 291-4. doi:10.1016/ ... Rao R, Honavar SG, Mulay K, Reddy VAP (2018). "Eye salvage in diffuse anterior retinoblastoma using systemic chemotherapy with ... "Anterior chemodenervation of levator palpebrae superioris with botulinum toxin type-A (Botox) to induce temporary ptosis for ...

The shape of the lens can be altered by ciliary muscles which are directly attached to the lens capsule by means of the zonular ... The eye is divided internally by the lens into two main segments: the anterior segment and the posterior segment. The anterior ... The lens is a transparent, convexed, or 'lens'-shaped body, with a harder outer layer and a softer inner layer. It focuses the ... but they have special flexible lenses and use the nictitating membrane as an additional lens. This allows greater optical ...

Lens luxation in cats can occur secondary to anterior uveitis (inflammation of the inside of the eye). With anterior lens ... in which lens comes out of the eyeball and becomes trapped under the Tenon's capsule or conjunctiva. A nonsurgical alternative ... A partial dislocation of a lens is termed lens subluxation or subluxated lens; a complete dislocation of a lens is termed lens ... Anterior lens luxation is considered to be an ophthalmological emergency. With posterior lens luxation, the lens falls back ...

... lens capsule, crystalline MeSH A09.371.509.225 - lens cortex, crystalline MeSH A09.371.509.670 - lens nucleus, crystalline MeSH ... anterior chamber MeSH A09.371.060.067.070 - aqueous humor MeSH A09.371.060.067.318 - endothelium, corneal MeSH A09.371.060.217 ...

... posterior lens capsule opacification'. Growth of natural lens cells remaining after the natural lens was removed may be the ... Fluid removed is continually replaced with a saline solution to prevent collapse of the structure of the anterior chamber (the ... 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, ...

The lentiform nucleus is a large, lens-shaped mass of gray matter just lateral to the internal capsule. It forms part of the ... Its anterior end is continuous with the lower part of the head of the caudate nucleus and with the anterior perforated ... It is bounded laterally by a lamina of a white substance called the external capsule, and lateral to this is a thin layer of ... The name comes from Latin and means lens-shaped, probably referring to the appearance of the nucleus from the side. Schematic ...

The study showed that the exon 3 knockout mice had collapse of lens capsule integrity by postnatal week 3, indicating a role ... "Lens-specific expression of transforming growth factor beta1 in transgenic mice causes anterior subcapsular cataracts". J. Clin ... "Heparan sulfate chains of perlecan are indispensable in the lens capsule but not in the kidney". EMBO J. 22 (2): 236-45. doi: ... Changes to the lens in the exon 3 knock out mice are somewhat similar to the TGF-β knockout mouse model. Exon 3 knockout mice ...

There exist two distinct types of lenticonus based on the face of the lens affected. Lenticonus anterior; lenticonus anterior ... 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 is injected into the joint capsule, to act as both a shock absorber and a lubricant for the joint. Thus sodium hyaluronate ... In surgical procedures in the anterior segment of eyeball, instillation of sodium hyaluronate its viscoelasticity enables ... intraocular lens implantation, corneal transplant, glaucoma filtration, and retina attachment surgery and in the treatment of ... maintenance of a deep chamber during surgical manipulation since the solution does not flow out of the open anterior chamber, ...

If the tear involves Tenon's capsule, a visible scar may result. An excessive bleeding that cannot be stopped makes an ... Another advantage is that MISS technique may decrease the risk of anterior segment ischaemia in some patients, particularly ... and will allow wearing contact lenses earlier. Long-term benefits are avoidance of an increase of redness of the visible ...

... replacement intraocular lenses when the original lens has been removed in the treatment of cataracts and has historically been ... The wider anterior portion, combined with the narrower and longer posterior portion, allows for a more complete and natural ... Tenon's capsule may be opened posteriorly to allow visualization of the optic nerve. The vortex veins and posterior ciliary ... Anterior Tenon's fascia is separated from the sclera. Blunt dissection in the four quadrants between the rectus muscles ...

The aqueous humor then flows through the pupil into the anterior chamber. The ciliary body is attached to the lens by ... These provide strong attachments between the ciliary muscle and the capsule of the lens. Glaucoma is a group of ocular ... and maintenance of the lens zonules for the purpose of anchoring the lens in place. Accommodation essentially means that when ... The ciliary body is a part of the eye that includes the ciliary muscle, which controls the shape of the lens, and the ciliary ...

Absence of the lens of the eye Capsulorhexis - Tearing an opening in the lens capsule during cataract surgery Contact lens - ... Anterior chamber IOL (ACIOL). A less-common type of intraocular lens, which is sometimes used if a PCIOL is not an option for a ... 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 ...

The corneal incision, the anterior capsulotomy and lens and cataract fragmentation are steps in which can be an alternative. ... dotted with patches within the inside capsule of the lens) and intense flare and iridescent or hyper-refringent particles ... Once the protein begins to seep into the lens, permanent damage to the lens may be caused as the precipitate in lens impairs ... The aim of cataract surgery is to replace the lens within the eye with an artificial lens to clear vision while removing any ...

The use of a flexible [intraocular lens] enables the lens to be rolled for insertion into the capsule through a very small ... LASEK and PRK permanently change the shape of the anterior central cornea using an excimer laser to ablate (remove by ... Visual perception Visual acuity Human eye Corrective lens Eyeglass prescription Glasses Contact lens Intraocular lens ... A contact lens (also known simply as a contact) is a corrective, cosmetic, or therapeutic lens usually placed on the cornea of ...

... with a lens below that; both the reflector and lens are derived from mesoderm. The squid controls light production by changing ... The head and foot of the squid are at one end of a long body, and this end is functionally anterior, leading the animal as it ... The paired eyes, on either side of the head, are housed in capsules fused to the cranium. Their structure is very similar to ... The image is focused by changing the position of the lens, as in a camera or telescope, rather than changing the shape of the ...

The lens is suspended behind the pupil; photoreceptive retinal cells cover the back of the eye. The pupil can be adjusted in ... They are similar in structure to those of a fish, and are enclosed in a cartilaginous capsule fused to the cranium. The cornea ... the head and foot are at one end of an elongated body and function as the anterior (front) of the animal. The head includes the ... The nervous system is complex, only part of which is localised in its brain, which is contained in a cartilaginous capsule. Two ...

... the central thickness of the lens to increase (anterior-posterior diameter), and the peripheral surfaces of the lens to flatten ... 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 anterior capsule and the zonule form a trampoline shape or hammock shaped surface that is totally reproducible depending on ...

The most anterior part of the cranium includes a forward plate of cartilage, the rostrum, and capsules to enclose the olfactory ... Unlike humans, fish normally adjust focus by moving the lens closer to or further from the retina. The gills, located under the ... The two most anterior of these arches are thought to have become the jaw itself (see hyomandibula) and the hyoid arch, which ... In anglerfish, the anterior of the dorsal fin is modified into an illicium and esca, a biological equivalent to a fishing rod ...

In this a PC IOL is fixed in an eye without any capsules using fibrin glue. The Malyugin ring for small pupil cataract surgery ... Dr.Agarwal's eye hospital has also done for the first time an Anterior segment transplantation in a 4 month old child with ... Contact Lens. 36 (2): 130-6. doi:10.1097/ICL.0b013e3181cd1b14. PMID 20093940. S2CID 40603251. "PDEK, New inner-layer cornea ... Jacob, S; Prakash, G; Ashok Kumar, D; Nair, V; Agarwal, A; Agarwal, A (1 March 2010). "Anterior segment transplantation with a ...

The head capsule is well sclerotised and has a number of sclerites or plates, separated by sutures. The sclerites are difficult ... Lepidoptera have two large, immovable compound eyes which consist of a large number of facets or lenses, each connected to a ... this presumably helps them to protrude the anterior end from the pupal case before eclosion.: 28 The pupae of Hepialidae are ... When copulation takes place, the male butterfly or moth places a capsule of sperm (spermatophore) in a receptacle of the female ...

... the use of ologen collagen matrix or bandage contact lens for several days followed by leak repair if necessary Flat anterior ... An initial pocket is created under the conjunctiva and Tenon's capsule and the wound bed is treated for several seconds to ... In laser suture lysis a red light laser and a contact lens are used to penetrate noninvasively the overlying conjunctiva and ... Tenon's capsule) anesthesia. Due to the higher risks associated with bulbar blocks, topical analgesia with mild sedation is ...

Lenses were hexagonally close packed, touching each other, with a single corneal membrane covering all lenses. Each lens was in ... The anterior and lateral fringe of the cephalon is greatly enlarged in the Harpetida, in other species a bulge in the pre- ... Some trilobites achieved a fully closed capsule (e.g. Phacops), while others with long pleural spines (e.g. Selenopeltis) left ... The number of lenses in such an eye varied: some trilobites had only one, while some had thousands of lenses in a single eye. ...

A small, lens-shaped radial sesamoid embedded into the APL tendon is a primitive state found in all known Carnivora genera ... Its tendon forms the anterior border of the anatomical snuffbox. The abductor pollicis longus lies immediately below the ... the joint capsule and its ligaments, and into the belly of abductor pollicis brevis (APB) or opponens pollicis. The abductor ...

... even in some insect taxa that have well-defined head capsules. In most species, though, the frons is bordered at its anterior ... Because the individual lenses are so small, the effects of diffraction impose a limit on the possible resolution that can be ... The first axillary sclerite (lAx) is the anterior hinge plate of the wing base. Its anterior part is supported on the anterior ... The larvae of Cyclorrhapha however, tend to have hardly any head capsule at all. The head capsule bears most of the sensory ...

The lens and cone cells of its eyes are large, allowing smaller or farther objects to be discerned from the background. The rod ... The anterior rim of each nostril bears a large triangular flap, which divides the nostril into incurrent and excurrent openings ... Iglesias, S.P.; M.H. du Buit & K. Nakaya (2002). "Egg capsules of the deep-sea catsharks from the eastern North Atlantic, with ... The egg case is vase-shaped and bears a slight flange along the lateral margins; the anterior end is squared off, with a pair ...

OVD can be trapped behind the IOL in the capsule during normal surgery, and may cause a forward displacement of the IOL, which ... The OVD occupies the volume of the anterior chamber during surgery, maintains its volume and shape without requiring internal ... Cataract surgery - Removal of opacified lens from the eye Phacoemulsification - Method of cataract surgery Scholtz, Sibylle ( ... Despite the side effects, the advantages of OVDs have made them indispensable in ophthalmic surgery involving the anterior ...

... capsule anterior lobe of cerebellum anterior nucleus of the thalamus anterior perforated substance anterior pituitary anterior ... left gastroepiploic artery left mainstem bronchi left marginal artery left pulmonary artery left ventricle leg lemniscus lens ... anterior cruciate ligament anterior ethmoidal foramen anterior ethmoidal nerve anterior funiculus anterior horn cells anterior ... root anterior spinal artery anterior spinocerebellar tract anterior superior alveolar artery anterior tibial artery anterior ...

A corelysis is a surgical detachment of adhesions of the iris to the capsule of the crystalline lens or cornea. A coremorphosis ... Intracorneal rings or corneal ring segments Implantable contact lenses Presbyopia reversal Anterior ciliary sclerotomy Scleral ... If visual loss is significant, surgical removal of the lens may be warranted, with lost optical power usually replaced with a ... A cataract is an opacification or cloudiness of the eye's crystalline lens due to aging, disease, or trauma that typically ...

The head capsule (made up of six fused segments) has six pairs of ganglia. The first three pairs are fused into the brain, ... These units have a clear lens system and light sensitive retina cells. By day, the image flying insects receive is made up of a ... These ducts emerge as evaginations at the anterior end of the hindgut and are the main organs of osmoregulation and excretion. ... Proctodeum (hindgut): This is divided into three sections; the anterior is the ileum, the middle portion, the colon, and the ...