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The tear film, lacrimal glands, corneal and conjunctival epithelia and Meibomian glands work together as a lacrimal functional unit (LFU) to preserve the integrity and function of the ocular surface. The integrity of this unit is necessary for the health and normal function of the eye and visual system. Nervous connections and systemic hormones are well(More)
U nderstanding the molecular composition (e.g., proteins and lipids) of the tear film (TF) and the contribution of the meibomian gland to the TF is critical in gaining knowledge about TF instabilities, dry eye syndromes, contact lens (CL) incompatibilities, and other eye diseases. Among its functions, the lipid layer of the TF slows evaporation of the(More)
PURPOSE To develop a controlled-environment chamber (CEC) for mice and verify the effects of a low-humidity setting on ocular surface signs in normal mice. METHODS Eight- to 12-week-old BALB/c mice were used in a controlled-environment chamber (CEC) where relative humidity (RH), temperature (T), and airflow (AF) are regulated and monitored. Mice were(More)
PURPOSE Lymphatic vessel endothelial hyaluronic acid receptor (LYVE-1) is a newly discovered lymphatic-specific marker. To date, there is no report of its expression on conjunctival cells. The purpose of this study was to investigate the expression of LYVE-1 in normal conjunctiva, to phenotype LYVE-1+ cells, and to study changes in their expression levels(More)
PURPOSE To test the hypothesis that benzalkonium chloride (BAK) alters the ocular surface in normal and dry eye mice and that a BAK-free commercially available antiglaucoma treatment does not induce the same effects. METHODS Eight- to 12-week-old female C57BL/6 mice were used under normal environmental conditions and in a controlled environment chamber(More)
Purpose: So far tear substitutes have demonstrated a limited role in restoring ocular surface damage in dry eye syndrome (DES). The aim of this study was to assess the efficacy of a new ocular surface modulator in an in vitro model of human corneal epithelium (HCE) damaged by severe osmotic stress mirroring the features of dry eye conditions. Methods: A(More)
Clinical, instrumental, and genetic findings are reported in Italian families with Type II Granular Corneal Dystrophies (GCD2) presenting an initial unusual presentation of a Granular Corneal Dystrophy Type I (GCD1) phenotypic spectrum in female descendants. Slit-lamp examinations showed the typical phenotypic features of GCD2 in both mothers and a(More)
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