Repeatability and Diurnal Variation of Tear Ferning Test
نویسندگان
چکیده
منابع مشابه
Repeatability and Diurnal Variation of Tear Ferning Test.
OBJECTIVES To investigate tear ferning (TF) test repeatability between sessions by observing changes in the tear fern pattern during the day. METHODS Twenty-three healthy young adults (15 men and 8 women), ranging in age from 20 to 32 years (mean ± SD: 22.9 ± 3.3 years) without signs or symptoms of dry eye disease, ocular disease, or contact lens wear were enrolled in the study. Schirmer I, t...
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This study evaluates tear ferning as an ancillary technique for the evaluation of the canine tear film in normal eyes and eyes affected by keratoconjunctivitis sicca (KCS). Thirty dogs with KCS and 50 control dogs with normal tear film were evaluated with a full ophthalmoscopic examination and a Schirmer tear test type 1 (STT) determined before tear samples were obtained from the medial canthus...
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PURPOSE This paper reports on the development of a new tear ferning (TF) subjective grading scale, and compares it with the Rolando scale. METHOD TF patterns obtained from tear film samples collected from normal and dry eye subjects in previous studies were collated into a large image library. From this library, 60 images were selected to represent the full range of possible TF patterns, and ...
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The diurnal fluctuation of nitrate concentration in the foliage of three parsley subspecies (plain-leafed, curly-leafed and turnip rooted parsley) cultivated in the spring and autumn of two consecutive years was examined. Nitrogen was applied at 30 (Control), 75, 150, 300 mg kg-1 in both years, but with the addition of 450 mg kg-1 in year 2. Harvest was carried out at 08:30, 12:30 and 17:30 on ...
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ژورنال
عنوان ژورنال: Eye & Contact Lens: Science & Clinical Practice
سال: 2015
ISSN: 1542-2321
DOI: 10.1097/icl.0000000000000116