Search results for " contact"

Visual quality with corneo-scleral contact lenses for keratoconus management

2018

Purpose: To assess the visual quality achieved by fitting corneo-scleral contact lenses (CScL) for keratoconus management. Methods: Thirty patients with keratoconus presented to have CScL fitted because of the unsatisfactory visual quality they experienced with their contact lenses or spectacles. The eye examination included visual acuity assessment, anterior eye biomicroscopy, ocular fundus examination, corneal topographic analysis, endothelialcell count, contrast sensitivity and aberrometry. The fitting process was performed using a diagnostic trial set. Subjective visual quality and comfort, and contact lens wear time were also reported. Patients were monitored for one year. Results: Thr…

Contact sensitivity as a model for T-cell activation in skin.

1995

Contact sensitivity has served as a useful model for the primary activation of T cells in skin and skin-associated lymphoid tissue. We have been interested in the early signals necessary for the induction of an allergen-specific T-cell response, as well as the factors controlling the intensity and extent of such an immune reaction. Because cytokines qualified as possible candidate molecules involved in directing primary immune responses in skin, we studied the early changes in the cytokine pattern of the epidermis. Apart from defining a cytokine pattern specifically induced only after application of allergen, we also identified Langerhans-cell-derived interleukin (IL)-1β as the first cytoki…

Baltu filoloģija, 9

2000

Baltu filoloģija, 1: zinātniski informatīvi ziņojumi

1991

Baltu filoloģija, 7

1997

Saturs: Raksti. 1996. gada A.Ozola konferences materiāli. Dz.Paegle Ievadvārdi 3 I.Freimane Sintakses vienības latviešu valodā 6 S.Lagzdiņa Vienkāršs teikums un tā robežas 21 I.Lokmane Teksta vienību tipoloģija 35 O. Rause Salīdzinājuma izteikšana kā vienkārša un salikta teikuma robežgadījums 44 M.Beitiņa Nominālie teikumi Zīraka Gudrības grāmatas 17. gadsimta un vēlākajos tulkojumos 51 L.Lauze Objekta realizācija latviešu sarunvalodas sintaksē 70 1996. gada 25. septembra konferences "Andrieva Niedras "Līduma dūmos" latviešu kultūrā" materiāli Dz.Paegle Valoda Andrieva Niedras "Līduma dūmos" 78 J.Kušķis Sēliskā novada valodas īpatnības Andrieva Niedras romānā "Līduma dūmos" 86 A.Breidaks La…

Impact of contact lens material and design on the ocular surface.

2018

BACKGROUND: To evaluate the impact on the ocular surface of a daily disposable hydrogel contact lens with high water content compared with two silicone hydrogel daily disposable lenses of lower water content. METHODS: The hydrogel lens assessed was made from nesofilcon A and the silicone hydrogel lenses were made of delefilcon A and stenfilcon A. Contact lens thickness was measured to assess material stability during daily wear, and ocular surface parameters such as tear film osmolarity, tear meniscus area and central corneal thickness were also assessed. Optical quality was analysed for all cases by means of wavefront aberrometry. RESULTS: The nesofilcon A was shown to be the thinnest lens…

Frictionless contact-detachment analysis: iterative linear complementarity and quadratic programming approaches.

2012

The object of the paper concerns a consistent formulation of the classical Signorini’s theory regarding the frictionless contact problem between two elastic bodies in the hypothesis of small displacements and strains. The employment of the symmetric Galerkin boundary element method, based on boundary discrete quantities, makes it possible to distinguish two different boundary types, one in contact as the zone of potential detachment, called the real boundary, the other detached as the zone of potential contact, called the virtual boundary. The contact-detachment problem is decomposed into two sub-problems: one is purely elastic, the other regards the contact condition. Following this method…

Social factor comparisons of noun and verb insertion patterns in Spanish and English bilingual clauses

2016

This paper compares noun and verb insertion in bilingual clauses in a Spanish and English bilingual data corpus collected in northeast Georgia (U.S.A.).   Even though Myers-Scotton and Jake (2014) have given grammatical reasons why verbs theoretically can be as easily inserted as nouns, most bilingual data corpora, from many different language contact settings, show that far more nouns than verbs of one language are inserted into clauses of the other language.  The northeast Georgia Hispanic community data set examined here is no exception. Analysis of the northeast Georgia data reveal that some social factors are associated with higher EL verb use. Children, who have more English proficien…

Baltic and Finnic linguistic relations reflected in geolinguistic studies of the Baltic languages

2014

The article provides insight into the reflection of Baltic and Finnic language contacts in geolinguistic studies of the Baltic languages. These contacts have a rather long history, and are particularly intense between the Latvian language and Finnic languages (especially Livonian and Estonian). In Lithuanian, Finnic borrowings have mostly appeared through Latvian, and fall into the dialectal Lithuanian vocabulary. The analysed material makes it possible to distinguish several areas of Finnic influences in Latvian sub-dialects. They are as follows: 1) the territory of the Livonian dialect which originated from Latvian-Livonian contact; 2) the sub-dialects along the Estonian border; 3) the su…

Areal Typology and Grammaticalization

1996

Grammaticalization processes in East and mainland South East Asian languages show remarkable areal parallels within the domain of the verb and the noun. Since language contact increases processes of reanalysis it supports grammaticalization and its cross-linguistic similarity. Grammaticalization processes are governed by attractor positions (cf. 1.1.3.) and pathways of grammaticalization (cf. 1.1..4.). The former is a good parameter for making areal distinctions, the latter is of areal relevance only within the domain of the verb. Because of attractor positions, grammaticalization processes are not necessarily slow and gradual. The distribution of attractor positions relative to each other …