(1) Studies of the dorsal ocelli of the wasp Paravespula vulgaris (L.) led to the following results: Under a biconvex corneal lens, 150 microns in thickness, about 600 receptor cells are located.
(2) The white disc-like structure in 11 cases was composed of an anterior, stiff, bulgy, biconvex structure combined with a posterior flattened portion that grossly was incorrectly determined to be part of the disc, but that was identified histologically as a posterior disc attachment that had undergone adaptive change characterized by connective tissue hyalinization.
(3) Twenty knees that were resurfaced with a patellar button prosthesis and implanted with conventional surgical technique constituted Group A. Twenty knees that were resurfaced with a new biconvex prosthesis and implanted with specially designed instrumentation constituted Group B.
(4) The dioptric apparatus of each ommatidia includes a biconvex corneal lens and a spherical crystalline cone that is secreted by two cone cells.
(5) Between flattening of kidney and capsular artery or capsule, one may individualize a mass of soft tissue density, convex or biconvex, corresponding to the hematomas.
(6) Epidural hematomas demonstrated a high density and a biconvex, lenticular shape.
(7) The resolution efficiencies of 31 biconvex silicone intraocular lenses, ranging in power from 16.0 to 23.5 diopters, were tested in air and in water to see if a predictable relationship existed as previously reported with polymethylmethacrylate lenses.
(8) Analysis of these medications reveals that the most commonly prescribed combination is the glucocorticoid triamcinolone (unscored white tablets) and the antihistamine chlorpheniramine (coated biconvex orange or red tablets).
(9) With capsular fixated IOLs, the features that have a statistically significant impact on reducing PCO include (1) one-piece, all-polymethylmethacrylate (PMMA) IOL styles, (2) a biconvex or posterior convex optic design, and (3) angulated loops.
(10) Constant ultrasonographic features include a biconvex, echogenic, intracranial mass adjacent to the inner table of the skull.
(11) Flattening of vertebral bodies with biconvex deformity and short tubular bones with irregular epiphyses and metaphyses are the major radiographic features.
(12) In healthy children younger than 5 years of age, the thymus had a quadrilateral shape and biconvex lateral contours.
(13) The exact positioning of the biconvex, one-piece lens in the bag is the prerequisite for good centration and for an optimal result.
(14) In aortic stenosis and idiopathic cardiomyopathy, the septum tends to be biconvex with maximal thickening in its middle third.
(15) Laboratory studies have suggested that one-piece, biconvex designs may reduce or delay posterior capsular opacification and that in-the-bag fixation of the posterior chamber IOL may reduce inflammation.
(16) Asphericities for five lens shapes; the minimum spherical aberration lens and its reverse form, the equi-biconvex lens, the plano-convex lens and its reverse form are determined.
(17) Rat embryos at 9.9 days of gestation, when the neural epithelium is a biconvex plate, and at 10.4 days of gestation, when the cervical neural epithelium has formed the neural tube and when the cephalic neural folds have elevated but not fused, were used.
(18) A linear charged coupled device (CCD) image array sensor and a biconvex lens are used to determine the position of the pupil.
(19) In transverse section the neural ectoderm is biconvex; the cranial mesenchyme cells beneath them are widely separated by extracellular matrix (ECM) and are joined to each other and to the ectodermal basement membrane by fine cytoplasmic processes and strands of ECM material.
(20) A new technique, the frown incision, was developed and a series of 62 eyes with 6 mm and 7 mm incisions for intercapsular phacoemulsification and implantation of a 6 mm or 7 mm one-piece biconvex poly(methyl methacrylate) (PMMA) posterior chamber intraocular lens with single horizontal mattress suture closure was prospectively evaluated for induced astigmatism.
Lenticular
Definition:
(a.) Resembling a lentil in size or form; having the form of a double-convex lens.
Example Sentences:
(1) This technique has proved extremely useful in our hands and we suggest that it is a useful alternative in the management of coexistent lenticular and corneal opacification.
(2) Volumes of caudate, lenticular, and diencephalic structures are estimated, as are grey matter volumes in eight separate cortical regions.
(3) Lenticular lesions were present in all but two of the 18 patients with detailed ocular examination, whereas corneal opacities were found more often in type II than type I disease.
(4) Theoretically, a circular and lenticular implant is the most appropriate for implantation in the capsular bag.
(5) An immunohistochemical and electron microscopic study of this rare, benign, congenital tumor of lenticular anlage was performed.
(6) The lenticular nucleus was gradually shifted to a posterior location.
(7) Thirty-five cases of congenital lenticular dislocation seen in our Center since 1985 have been studied and analyzed clinically.
(8) basilaris, but in senile dementia ANC were much fewer in the thalamus and lenticular nuclei.
(9) The position, displacement and phase angle of the rotation axis of the ossicles was calculated based on the displacement and phase angle of the umbo, malleus head and lenticular process.
(10) The magnitude of the lenticular abnormality, but not the temporal lobe abnormality, was associated with age at first psychiatric contact; earlier onset was associated with larger lenticular nuclei.
(11) The human lens enzyme, the most stable of the species, maintained nearly 100% of its original activity up to 65 degrees C. Lenticular glutathione reductase activity did not reach zero levels in any of the seven species until a temperature of at least 80 degrees C was attained.
(12) The second had a scleral laceration without corneal or lenticular involvement.
(13) Here we show that the pattern of protein 4.1 variants changes during the terminal differentiation of erythroid and lenticular cells, with novel variants appearing in postmitotic cells.
(14) We studied the changes in central lenticular thickness in 40 porcine corneal specimens subjected to refractive modification on the "Hamburg Refractive Bench."
(15) The calculated deformation of brain presented a hematoma cavity elongated from anterior to posterior direction at the lenticular nucleus.
(16) A high incidence of lenticular and retinal degeneration was associated with megaloglobus.
(17) Adventitious effects, purposeful lenticular changes and adaptations in response to environmental forces are reviewed as possible sources of this astigmatic variability.
(18) Specific antigens were detected in the lens of the eyeball by immunofluorescence test with sera from mice in which ophthalmitis had been induced and the antigens were lenticular proteins with molecular weights (MW) of 15,000 (15K) to 25K, and 45K.
(19) A patient with a retained intra-ocular foreign body had a lens extraction for lenticular chalcosis.
(20) In general, the manufacturers' claims made in favour of the blended lenticular lenses were supported.