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Biomedical subjects

D Trusiewicz

Publications and source records attributed to D Trusiewicz.

11 recordsLinked to original sources
PubMed1993

[Visual function in pseudophakia].

Visual function of 33 pseudophakic eyes of 28 persons were examined and compared with control group of 27 persons without any changes in visual system. In pseudophakia there was a distinct decrease of mesopic vision and increased glare sensitivity. Color vision was not significant affected. The authors consider that only few professional drivers, engine drivers and pilots with pseudophakia would be able to get positive evaluation of visual function for further usefulness in their profession.

Adolescent↗
PubMed1989

Analysis of secondary failure to sulfonylureas in type 2 diabetics. A retrospective study for 1976-1987.

Secondary failure to sulfonylureas was analyzed retrospectively in order to establish its dependence upon: age of patient at the onset of diabetes, duration of disease, sex, body mass, smoking and diabetic familial anamnesis. A series of 220 cases of type 2 diabetes lasting 1-25 years (mean 8.75 +/- 4.9 years) constituted the subject of study. The age of patients ranged from 31 to 77 years (mean: 63.3 +/- 9.9 years). The mean period of effective management with sulfonylureas equalled 8.75 +/- 4.9 years and was slightly longer in men (9.2 +/- 5.2 years) than in women (8.3 +/- 4.6 years). The age at onset of diabetes and the duration of effective treatment were found to be inversely proportional. The treatment of patients who developed diabetes before the 50th year of age was effective longer (X 10.1 +/- 5.3 years) than that of those with later onset of disease (X 7.9 +/- 4.5 years). This difference was statistically significant (P less than 0.001). In addition, the period of drug effectiveness was significantly longer in obese men (10.1 +/- 5.5 years) than in obese women (8.8 +/- 4.2 years, P less than 0.05). No correlation was found between secondary failure to sulfonylureas on the one hand and smoking and familial occurrence of diabetes on the other.

Adult↗
PubMed1989

[Evaluation of the late ineffectiveness of sulfonylurea derivatives in patients with diabetes mellitus hospitalized at the Gastroenterology and Metabolic Disease Clinic, Medical Academy, in Warsaw 1976-1987].

The authors made a retrospective analysis of late ineffectiveness of sulphonylurea derivatives and its correlation with the age of diabetes onset, duration of the disease, sex, body mass, smoking cigarettes, diabetes history in the family, coexistence with some diabetic complications as retinopathy, ischemic heart disease, arterial hypertension and vascular diseases in lower limbs. The study was carried out in a group of 220 patients with diabetes type 2 lasting from 1 up to 25 years, aged 30-77 undergoing therapy in the Department of Gastroenterology and Metabolic Diseases in the years 1976-1987 in whom a late ineffectiveness appeared to sulphonylurea derivatives. The average time of effective therapy by means of sulphonylurea derivatives in the group examined was 8.7 +/- 4.9 years (9.2 +/- 5.2 in men and 8.3 +/- 4.6 in women). The time of effective therapy by means of the above drugs was inversely proportional to the age of patients when diabetes type 2 appeared. The time of effective therapy by means of sulphonylurea derivatives in obese men was significantly longer than in obese women. No correlation was found between the appearance of late ineffectiveness of sulphonylurea derivatives and diabetes history in the family, smoking ischemic heart disease, arterial hypertension, retinopathy and vascular diseases of lower limbs.

Adult↗
PubMed1975

Farnsworth 100-hue test in diagnosis of ethambutol-induced damage to optic nerve.

In patients treated with EMB, disturbances in colour vision may be the first and only symptoms of the onset of toxic damage to the optic nerves. Owing to its sensitivity, the Farnsworth 100-Hue test is of great value in the ophthalmic control examinations. Moreover, it permits observation of the dynamics of the toxic process. The three reported cases of damage to the optic nerves confirm the great importance of colour vision examinations, as regards the detection of the complications of EMB treatment.

Adult↗
PubMedDate not supplied

[Protective sunglasses and color discriminating ability].

The influence on color vision of 4 kinds of sun-glasses with various characteristics of transparency and absorption of 25, 50, 75 p.c. was evaluated. Sixty persons with normal color discrimination took part in investigation. The selection of filters for professional drivers and railway engine-drivers was performed on the basis of Nagel's anomaloscope and Farnworth-Munsell's 100--Hue tests.

Adolescent↗
PubMedDate not supplied

[Ophthalmologic problems and occupational fitness].

The authors point out the tests which enable the evaluation of the binocular vision in examinations qualifying for an employment in the railway service. The employees with an open angle glaucoma may continue their work under condition of controlling their visual functions in 3-months intervals. In cases of a macular degeneration examination of mesopic vision is necessary.

Adult↗
PubMedDate not supplied

[Status of the visual system in operators causing railway accidents].

One hundred and eighty four engine-drivers aged 21-60 years were examined; 91 from them provoked an accident not stopping the train in front of the "Stop" signal; 93 constituted a control group. Compared was the status of the visual system and the efficiency of the visual functions such as: binocular vision, color vision and asthenopia, mesopic vision and the sensitivity to glare. In engine-drivers of the "accident-prone" group one observed an increased sensitivity for glare. The authors suggest it would be necessary to introduce to the qualification examinations for engine-drivers the evaluation of the sensitivity to glare and of the visual ability in mesopic conditions.

Accidents, Occupational↗
PubMedDate not supplied

[Eye-strain symptoms after work with a computer screen].

BACKGROUND: In a laboratory arranged according to ergonomic rules, the influence of the work with screen monitor computer on the visual function was evaluated. MATERIAL AND METHODS: Visual efficiency before and after one-hour reading of a text from monitor was compared in 60 persons. There was 50 women and 10 men, aged 22-47. The research scheme comprised 10 trials. RESULTS: After work with the monitor, the most important changes were the following: diminished power of accommodation, removal of the near point of convergence and deviation of phoria for near vision. Statistical analysis, using Wilcoxon's test revealed significant differences between the results achieved before and after work concerning accommodation and convergence (p < 0.05). CONCLUSION: The results suggest that weakness of these important visual functions could be the cause of eye-strain in computer operators.

Adult↗