How to use corneal in a sentence

Looking for sentences and phrases with the word corneal? Here are some examples.

Sentence Examples Ectopic cilia are particularly irritating and likely to cause corneal ulcers. His other main interest was syphilis and he studied corneal changes in congenital syphilis. Unlike eyelid or conjunctival involvement, corneal involvement can result in significant vision loss. It is important to identify and remove conjunctival and corneal foreign bodies. Washing the eye at 30 seconds alleviated the conjunctival and iritic symptoms and prevented the development of corneal lesions. An eye dosed with the compound and promptly washed had slight conjunctivitis which no corneal or iritic effect and was normal within 3 days. Mild lacrimation, but no corneal or iritic effect, was seen after solution was sprayed directly into the eyes of rabbits. Scratchy, well defined pain indicates a corneal problem, whereas a dull, deeper pain usually indicates a more serious condition. The tissue can be used for research and possibly for new forms of deep endothelial corneal transplant. Breakdown of the corneal epithelium increases the risk of stromal surface infection. In the pipeline are many other applications, including vascular, pancreatic, and corneal repair. In clear substances such as diamond and corneal tissue, most electrons are locked up in chemical bonds. The computer-controlled laser, which is known as an excimer laser, takes only seconds to remove precisely the right amount of corneal tissue. Photorefractive keratectomy is similar to LASIK but does not involve use of a corneal incision or a flap. The eye's optical system consists primarily of the cornea and the lens, and the corneal surfaces are aspheric. The four main causes of painful red eyes are corneal lesions, uveitis, acute glaucoma, and scleritis. Adverse outcomes of interventions were corneal exposure, ulceration, phthisis bulbi, and severe recurrent trichiasis. The anesthetic drops also serve to moisten the corneal surface area, which promotes suction ring adhesion. In the area of surgery, corneal transplants were the first successful homotransplants. Examination showed a full thickness corneal entry wound and a foreign body in the lens. Show More Sentences The corneal periphery scars, and this is why a flap can be lifted months later for enhancement. The epithelium consists of five or six constantly renewing cell layers and nerve endings, which account for corneal sensitivity. The surgery involves lifting a small flap of corneal tissue and lasering onto the deeper cornea beneath. A computer, programmed with the patient's refraction and corneal topography, controls the laser beam to precisely remove corneal tissue. People who need corneal transplants will be able to get corneal transplants. My doctor was one of the nation's leading surgeons for corneal transplants. Old types of corneal prostheses required a full trephination of the cornea. The invention relates to a method and apparatus for trephining corneal tissue in preparation for keratoplasty. The patient may present with corneal necrosis, dystrophy, ulceration, and abrasion. Contact lenses can be used most advantageously to correct myopia, but can also be used for hypermetropia and corneal astigmatism. When LASIK is performed for hyperopia, the corneal surface is gently steepened by the laser. It also refers to foreign objects that had been removed from the Claimant's eye in 1996 or 1997, with resulting corneal scaring. The patient showed a central leukoma with some neo-vessels and, although reduced, a corneal sensitivity was present, while it was completely absent before the treatment. Liquid can cause temporary, moderate conjunctival inflammation and transient corneal damage. The excimer laser can be used either on the surface, after removing corneal epithelium before treatment, or within the stroma, after cutting a corneal flap. In many cases, the two combine to cancel one another, so corrective surgery based on topographical measurements of corneal aberrations is not optimum. The exquisite precision of this ultraviolet laser could be harnessed to sculpt and recontour the corneal surface, a procedure termed as photorefractive keratectomy. The eye has a deep corneal ulcer up to the Descemet's membrane or descemetocele. Microbiologic testing identified Acanthamoeba species in cultures from both corneal scrapings and the contact lens. There are some people who have corneal dystrophies such as Fuchs who also have macular degeneration, and they can benefit from transplantation when the cornea becomes cloudy. Show More Sentences Ophthalmology has special problems in this regard as corneal penetrating keratoplasty has become one of the most widely performed transplantations. Although unlikely to occur overexposure to vapors may cause corneal damage, photophobia. Dr. Rafat's corneal implant resembles a contact lens, and can be molded or customized based on the needs of each patient. Blurred vision and rainbow lights may result from corneal edema. Skin pigmentation, and lenticular and corneal opacities have been seen with long-term use. Corneal leucoma remained in six eyes, while the corneal oedema in two eyes resolved after lensectomy. Eye contact may cause eye corrosion with corneal or conjunctival ulceration. Iridocorneal endothelial syndrome is a syndrome in which there is a character abnormality of the corneal endothelium. By contact with eyes: irritation of the conjunctiva, development of corneal ulcers. Liquid may cause pain, severe redness and swelling of the conjunctiva, damage to the iris, corneal opacification, glaucoma, and cataract. Exam revealed an improving epithelial defect and diffuse corneal stromal haze with moderate folds in Descemet's membrane. Descemet's membrane was stripped, to a previously determined size of 8.00 mm through a 2.6 mm clear corneal incision. If in situ corneal excision is performed, examination of the donor eye anterior segment with a penlight or portable slit-lamp shall be required. Surgical options include ulcer debridement, conjunctival resection, corneal graft, application of tissue adhesives, sclerectomy, and scleral patch grafting. Previously, what was checked for was the absence of a corneal reflex, which is a very difficult reflex to apply and interpret. This can be determined by the presence of a symmetrical corneal light reflex. A suction noise and a clicking sound can be heard during the ablation of the corneal tissue. Chemical burns, corneal damage, and possibly blindness can result from direct contact. Calcium chloride may cause moderate to severe eye irritation, which may result in corneal injury. Eye contact: Direct eye contact may cause moderate to severe irritation, and possibly corneal damage. Show More Sentences Discussion of the specific advantages: Rose of Bengal is the diagnostic tool of choice to ascertain very early corneal damage. The corneal clouding may be due to vitamin A deficiency which has been made worse by measles. Conditions requiring referral to an ophthalmologist are orbital cellulitis, hyphaema, scleritis, iritis or uveitis, acute angle closure glaucoma, and corneal abrasions. For Therapeutic Use, the eye care professional may prescribe lotrafilcon A lenses to aid in the healing process of certain corneal conditions. Taking care of your nails and your skin quickly, accurately and without the risk of corneal damage. It replaces all three layers of the tear film and forms a protective film with a long corneal contact time. The corneal light reflex should be central and the cover-uncover test should be normal. Contact with the eyes can cause irritation and can lead to reversible corneal lesions. The photoinduced side effects of all these drugs were, in particular, changes in the skin pigmentation, corneal opacity, cataract formation and retinopathy. Sleeping with your lenses in raises the risk of corneal infection twentyfold. With time, spinal, cardiorespiratory and corneal involvement will be observed. There are, however, further procedures for correcting visual defects by ablating corneal tissue with an excimer laser. Corneal transplantation, also known as corneal grafting or keratoplasty, is a surgical procedure. Below, you can see a picture of the keratome used to make the corneal flap. In vivo, corneal pocket and subcutaneous transplantation demonstrated that the APC was incapable of trigging accepted immune response. A keratoplasty is an operation of the cornea in which diseased corneal tissue is replaced by appropriate donor material. Use of a plasmin inhibitor for the manufacture of a pharmaceutical preparation for the treatment of corneal lesions. Product vapor can cause lacrimation, conjunctivitis, and corneal edema when absorbed into the tissue of the eye. These resulted in trips to the ER for burns, corneal abrasions, and the odd amputation. Dry eyes, corneal opacities, decreased night vision, keratitis, blepharitis and conjunctivitis usually resolve after discontinuation of therapy. Show More Sentences The Surgilens shield is an advanced, rapid-dissolving 12-hour corneal shield for postsurgical use. Advanced cases of keratoconus, and most other types of corneal degeneration, may require corneal transplants. And he is a passionate advocate for organ donation, having received two corneal transplants to combat keratoconus, a degenerative disease. The Pentacam enables to perform a corneal topography and detects diseases such as keratoconus. It is one of the few topographers which may be linked with the Mel80 laser for the treatment of corneal diseases. If the corneal clouding is not treated, the cornea can ulcerate and cause blindness. Eye damage is usually the result of lachrymatory action, corneal epithelial injury or keratitis. The patient also had ophthalmoplegia and suffered from right corneal anaesthesia and right hypoaesthesia of the cheek. The only symptom is deterioration of vision due to irregular astigmatism caused by the changing corneal curvature. Eye contact with MDI may result in conjunctival irritation and corneal opacity. Were contact lenses prescribed for severe corneal astigmatism, keratoconus or aphakia? People who have corneal damage or iritis should be referred for specialist diagnosis and management at a centre properly equipped for eye care. In Australia, corneal donors can sign their driver's license, register with the national organ donor registry, or sign a donor card. The use of tap and distilled water has been associated with Acanthamoeba keratitis, a corneal infection that is resistant to treatment and cure. A Placido based topographer has a blind spot in the center and this area is interpolated but essential for an accurate corneal measurement and especially for the k-readings. The TLCT targets the smoothing of the corneal surface of the astigmatic eye, the cornea of which presents an abnormal curve with the consequential imperfect focusing on the retina at any distance. The corneal buttons were half cut along the central line. Dose-dependent and opiate-related changes included: loss of righting reflex, pinna and corneal reflex blockade, muscle rigidity and decrease in food consumption and body weight gain. Use of nPCR to identify feline herpesvirus in ocular tissue from clinically normal cats and cats with corneal sequestra or conjunctivitis. An ophthalmologist can carry out operations on the eye such as corneal transplantation or lens replacement if he has received further training in ophthalmic surgery. Show More Sentences If it is not treated, corneal clouding can result in blindness. Signs and symptoms of infectious corneal ulceration include discomfort, pain, inflammation, purulent discharge, sensitivity to light, cells and flare, and corneal infiltrates. Unconsciousness and insensibility must be monitored by checking corneal and palpebral reflexes or any other scientifically proven suitable substitute parameter. However, each stemma lacks a corneal lens on the surface exterior to its internal sensory pigmented components. The new layer is located at the back of the cornea between the corneal stroma and Descemet's membrane. Surgilens has a larger diameter than other shields and functions as a corneal splint to facilitate postsurgical healing by protecting and immobilizing scleral and conjunctival tissue. However, because skin biopsy is an invasive procedure, in this study we assessed the utility of two novel noninvasive measures of neuropathy, namely corneal esthesiometry and corneal confocal microscopy. The diagnosis of congenital corneal anesthesia is a real challenge for ophthalmologists because the typical diagnostic tests, such as Cochet-Bonnet corneal esthesiometry, are often not feasible in young children. We also establish for the first time that corneal esthesiometry and CCM have reasonable sensitivity and specificity to detect diabetic patients with minimal neuropathy and those at risk of foot ulceration. Corneal stromal pathologies resulted from postkeratitis corneal leucoma in 8 patients, posttraumatic corneal scarring in 1 patient, and anterior stromal corneal dystrophy in 5 patients. Previous data suggest that KC and post-CCC corneas seem to be easier to modify in shape, so it is simple to imagine that the higher the corneal curvature is in healthy eyes, the less the time it takes to applanate them. Rheumatoid arthritis may be associated with higher risk of corneal perforation in patients with ectatic degenerative diseases such as keratoconus. Complications reported in the literature were corneal edema, corneal infiltration, anterior uveitis, hyphema, cataract, lens subluxation, and optic neuritis. To report a case of corneal stromal infection caused by a protozoon of the genus Microsporidia, including clinical, histopathologic, and electron microscopic observations. Decreased lacrimation and accumulation of mucoid secretions, due to the anticholinergic properties of tricyclic antidepressants, may cause damage to the corneal epithelium in patients with contact lenses. Contra-indications are corneal affections as keratoconus and antecedents of corneal herpes, some general affections and the taking of certain medication. Actually, it seems to me inconceivable to work without the Pentacam for the misdetection of fruste keratoconus, corneal war page, corneal ectasia. Interpretation: Bilateral corneal changes progressing from mild opacification at the limbus to vascularized central keratopathy, especially in the presence of nystagmus, are highly suggestive of a PAX6 mutation. Ocular allergic conditions vary from the subtle signs of itchy, watery eyes with mild hyperemia to extensive inflammation with corneal complications. The use of these solutions has been associated with serious eye infections, including Acanthamoeba keratitis, a corneal infection which is resistant to treatment and cure. Show More Sentences Cytologic examination of a corneal scraping revealed fungal hyphae, and aerobic culture confirmed Aspergillus species. The individual parameters for the lens selection such as pupillary distance, corneal vertex distance, pantoscopic tilt and face form angle can be set for an impressive consultation. Endothelial cell count and corneal thickness were measured preoperatively and 3 and 8 weeks postoperatively with a Konan noncontact specular microscope. Rays of light imaged on the fovea strike the corneal surface at an angle. Entropion, trichiasis and dystichiaisis can cause abrasion of corneal epithelium. Each small eye, known as an ommatidium, consists of a corneal lens, a crystalline cone, and a light sensitive organ at the base. Extensive exposure to ionizing radiation, without adequate protection for the eyes, can cause cataract formation as well as corneal and conjunctival damage. Many other tools are used to examine the eye and aid in the diagnosis of eye diseases, including ultrasound, retinal angiography, and devices to measure corneal curvature and topography. Tissue engineers in Britain are doing just that to treat corneal scarring, a painful eye condition that affects millions of people, particularly in the developing world. Insects also have corneal single-chambered eyes. The first line of protection of the eyes is provided by the lids, which prevent access of foreign bodies and assist in the lubrication of the corneal surface. Moreover, since May 2008, pursuant to a partnership agreement with the Banque d'Yeux du Québec, Héma Québec has been collecting and treating human eyes for use in corneal grafts. The cellular hexagonality could also be identified, suggesting intact corneal endothelial morphology. One critical distinction to make is whether a focal corneal infiltrate is infected with bacteria or is a sterile immunologic response. They also have glands on the eyelids and outer corneal layer that act as protection for the cornea. The corneal epithelium is keratinized and the sclera is thick enough to withstand the pressures of diving. Skin erythema and burning as well as lens and corneal effects have resulted from exposure to specific wavelengths. Volunteers, including hundreds of Lions, serve as corneal tissue couriers. Contract awarded for keratoplasty corneal transplant right eye removal mas conjunctival flap. In the case of corneal astigmatism increased clearance will be observed in the peripheral portion of the steepest meridian and some bearing may appear in the paracentral region of the flattest meridian. Show More Sentences Signs and symptoms of ocular irritation: including burning and stinging, conjunctivitis, blepharitis, keratitis, decreased corneal sensitivity, and dry eyes. This condition was reported in association with other conditions such as keratitis, corneal infiltrates, blepharitis, corneal abrasion, and contact lens over wear. Treatment may ultimately require corneal transplant. This active deswelling maintains the organization of collagen fibers implicated in crystal-clear corneal transparency. Blindness results in approximately 35 percent to 40 percent of eyes affected with keratitis and corneal ulcer. Acute corneal hydrops is a stromal oedema caused by aqueous penetration through breaks in Descemet's membrane. These corneal sculpting techniques are known as photorefractive keratectomy and in situ keratomileusis. It is well known that bacteria in the preocular tear film may colonise an area of corneal epithelial defect. In presence of lagophthalmos, taping the eyelids closed during the night is useful to prevent nocturnal corneal drying. Fuchs emerges slowly with blurred or cloudy vision, tiny bumps known as guttae on the cornea's surface and, in severe stages, painful blisters on the corneal surface. The developer of a breakthrough approach to astigmatism analysis sees a risk in the recent trend to link refractive lasers to corneal topography machines. Some investigators recommend touching the corneal epithelium at the slit lamp with a microsponge applicator in patients with suspected loose epithelium. Contact lens wearers may also observe haloes as a typical sign of overwear syndrome, whereby corneal oedema occurs from hypoxia, or due to contact lens trauma. A scleral rim should be maintained in contact lenses to off-hold and balance the corneal portion from the cornea, preventing exertion of any pressure. Other findings include inner epicanthic folds, telecanthus, strabismus, corneal clouding, cataracts, and coloboma of the eyelids, choroids, or optic nerve. SighLife helped to develop the methodology to precisely cut corneal tissue using IntraLase keratoplasty to treat a variety of corneal transplant indications. The 'CA-800' combines real corneal radii topography, keratoconus and Zernike analyses with fluorometry and infrared meibography, as well as pupillometry, all in one unit. The patient demonstrated marked deficits in motility in the right eye and a prominent right exotropia in primary gaze, which was indicated by the corneal light reflex. Diabetic neuropathy was associated with progressive, significant reductions in corneal sensitivity, nerve fiber density, nerve branch density, and nerve fiber length. Measurements of axial length, anterior chamber depth, corneal topography, cycloplegic refraction and visual acuity are being performed at 6-month intervals. Show More Sentences Ultraviolet radiation can cause many ocular problems including skin cancer, pterygia and pingeculae, corneal keratopathy, cataracts, and possibly macular degeneration. Other advances include the use of intracorneal ring segments to reverse the protrusive cone and the first treatment to stop progression, corneal cross-linking. Corneal opacity of non-ulcerated area and ulcerated area are of important factors denoting better corneal wound healing and goes parallel with sooner vision retainment. For each layer thickness, a semipartial correlation was calculated for explanatory variables including age, gender, axial length, corneal curvature, and signal strength index. Vision should be tested using a Snellen chart in suspected corneal ulcer. Food and Drug Administration approval and is launching in the United States for the treatment of cataract patients with pre-existing corneal astigmatism. Pallikaris and colleagues coined the term LASIK in 1988, a procedure involving corneal ablation by excimer laser under a hinged corneal flap created by an automated keratome. Commonly reported eye injuries included corneal abrasions, which are scratches on the front of the eye, and hyphema, a pooling of blood in the front of the eye. Using rabbit cells, researchers cultivated CECs in the lab and injected them into the anterior chamber of rabbit eyes with damaged corneal endothelia. The VisuMax Laser Keratome is currently cleared in the US for creating corneal flaps as well as for lamellar and penetrating keratoplasty for corneal transplantations. Pustules can form on the eyelid, conjunctiva, and cornea, leading to complications such as conjunctivitis, keratitis, corneal ulcer, iritis, iridocyclitis, and optic atrophy. Known as MUC1, this forms the sticky coating, the glycocalyx, which covers the microvilli and microplicae on the surface of the corneal epithelium. The use of femtosecond lasers in corneal transplants has created a revolution in more precise matching between donor and recipient corneas and better refractive outcomes. Examples from Classical Literature A broad cutting needle should then be introduced at the lower or outer edge of the corneal margin. The actual cautery is best for serpiginous corneal ulcers, carbolic acid being more satisfactory for those of the vesicular type. To evacuate the anterior chamber in bad corneal ulceration, especially when associated with hypopyon and tension. When, however, a true adhesion between corneal and iridic tissue takes place the filtration angle is not so easily opened. In all simple eyes the corneal lens is formed by a thickening of the cuticle. The epidermic layer gives rise to the corneal lenses, the crystalline cones, and the pigment around the latter. The outer stratum gives rise to the corneal corpuscles, which are the only constituents of the cornea not yet developed. The patient was then taken back to the ward and the corneal reflex was noticed as being present. It is designed to ascertain variations in corneal curvature for the correction of corneal astigmatism. The cause of phthisis may have been corneal perforation with subsequent inflammation and remodeling, or because of chronic uveitis. The corneal reflex may be abolished, and still the patient may move. It is then divided as close to the corneal wound as possible. It could have been a corneal tattoo, but somehow I doubted it. Completing the volume are chapters on contact lenses in the treatment of corneal disease, PROAS treatment for ocular surface disease, and emerging innovations. Find more words! 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Words that rhyme with corneal What is the adverb for corneal? What is the adjective for corneal? What is the noun for corneal? Use our Sentence Generator Nearby Words cornea corne corn dog corncrib corncrake corncockle corneas corned corneille cornel Cornelia cornelian 7-letter Words Starting With c co cor corn corne cornea