scholarly journals STUDY OF PERIPHERAL REFRACTION IN CHILDREN WITH MYOPIA WITH ORTHOKERATOLOGY LENSES OF COMBINED DESIGN

2021 ◽  
Vol 2 (4(68)) ◽  
pp. 38-46
Author(s):  
P. Bezdetko ◽  
R. Parkhomets
Keyword(s):  
Correlation Coefficient ◽  
Inverse Correlation ◽  
Temporal Part ◽  
Ophthalmological Examination ◽  
Myopia Progression ◽  
Correlation Relationship ◽  
Combined Design ◽  
Progressive Myopia ◽  
One Year ◽  
Relationship Of

Progressive myopia is a leading problem in modern optometry and ophthalmology in general. In recent years, refractive therapy with orthokeratology lenses has gained popularity among methods to control myopia progression. The aim: To study peripheral refraction in children with myopia with the use of orthokeratology lenses (OKL) of combined design. Methods. We followed up 60 children (117 eyes) diagnosed with uncomplicated mild to moderate myopia. All children underwent a complete ophthalmological examination as well as corneal keratotopography and peripheral refraction determination. Statistical analysis of correlations between peripheral corneal refraction under the influence of OKL, peripheral defocus, and axial length growth gradient was performed. Results. An inverse correlation relationship of -0.2 (p=0.03) was obtained between corneal differential power in the return 6 mm zone and peripheral refraction in its corresponding peripheral refraction of 23° on the temporal side. A positive correlation with a correlation coefficient of 0.21 (p=0.026) was obtained between the defocus in the temporal part and the gradient of myopia progression over one year, while the same result was obtained in the nasal part with a correlation coefficient of 0.2 (p=0.036). Concluсions. Difference corneal power at the periphery may be prognostic in relation to the course of myopia in OКL users. With an aboveaverage pupil diameter, combined design orthokeratology lenses are more effective in controlling myopia due to the greater influence of the formed corneal refractive ring on peripheral refraction.

Correlation between NDT and Tensile Strength of Structural Larch Sawn Lumber

2012 ◽  
Vol 476-478 ◽  
pp. 2496-2500
Author(s):  
Yong Chen ◽  
Wei Na Li ◽  
Xi Jun Wang ◽  
Shi Jie Shen
Keyword(s):  
Tensile Strength ◽  
Regression Analysis ◽  
Correlation Coefficient ◽  
Experimental Subject ◽  
Visual Grading ◽  
Correlation Relationship ◽  
Axial Strength ◽  
Four Point Bending ◽  
Relationship Of

With Larch timber as the experimental subject, according to the visual grading-related rules in ASTM D245, four-point bending edge-wise in ASTM D4716-05 and axial strength in tension, the regression analysis is conducted; investigate the correlation relationship of Kus, E4s and σw. The result demonstrates that the combination of visual grading, density and four-point bending MOE, the predict of the parallel tensile strength will be more exactly whose correlation coefficient is 0.750.

scholarly journals Transpalpebral Rheoophthalmography as a Method for Evaluating the Effectiveness of Sclera-Strengthening and Trophic Treatment of Progressive Myopia

2019 ◽  
Vol 15 (4) ◽  
pp. 439-446 ◽  
Author(s):  
E. N. Iomdina ◽  
E. P. Tarutta ◽  
G. A. Markossian ◽  
A. A. Sianosyan ◽  
P. V. Luzhnov ◽  
...  
Keyword(s):  
Evaluation Method ◽  
Posterior Pole ◽  
Biologically Active ◽  
Progression Rate ◽  
Myopia Progression ◽  
Trophic Effect ◽  
Fellow Eye ◽  
Fold Reduction ◽  
Progressive Myopia ◽  
One Year

Purpose:to evaluate, using transpalpebral rheoophthalmography (TP ROG), the effectiveness of sclera-strengthening and trophic treatment of progressive myopia with a new biologically active chitosan-containing transplant.Patients and methods. 40 children and adolescents with moderate or high progressive myopia, averagely aged 12.6 ± 0.38 years, were examined after receiving low invasive sclera-strengthening surgery on one eye with a biologically active chitosan-containing transplant. The initial refraction of the operated eye was — 6.25 ± 0.23 D, while that of the fellow eye was — 5.85 ± 0.28 D. The yearly gradient of myopia progression averaged 1.10 ± 0.04 D. Hemodynamic parameters were measured using TP ROG) prior to intervention, then 1, 6 and 12 months after intervention. At the same time points, scleral acoustic density (SAD) was determined by analyzing tissue histograms obtained with a multipurpose ultrasound device, VOLUSON 730 Pro «GE».Results. One year after sclera-strengthening treatment, a 4.4-fold reduction of myopia progression rate on the operated eye was noted, supplemented by a 2.2-fold reduction of same on the fellow eye. Stabilization of refraction was accompanied by an increase of SAD: 6 months after the surgery, SAD was averagely 19.7 conventional units higher than the original figure in the posterior pole of the operated eye, and 16.2 conventional units higher in the equatorial area. One year after the surgery, the figures were, respectively, 15.9 (p < 0.05) and 14.0 conventional units (p < 0.01). The rheographic index of TP ROG increased with regard to the initial value by 139 % after one month, by 69.8 % after 6 months, and by 34.6 % after 1 year. On fellow eyes, the index also tended to increase: by 123.3 % after 1 month, by 65.2 after 6 months, and by the end of the follow-up period it exceeded the original value by 28.7 %, which is an evidence of a pronounced trophic effect of sclera-strengthening myopia treatment with chitosan not only on the operated eye but also (to a lesser extent) on the fellow eye.Conclusion. TP ROG is an effective evaluation method of sclera-strengthening treatment of progressive myopia. This method can also be used to study eye hemodynamics in a variety of ophthalmic pathologies, including those managed in pediatric clinical practice. 

Pengaruh Penghargaan Terhadap Kinerja Karyawan pada CV. Dino Manunggal Karsa Bogor

2019 ◽  
Vol 4 (2) ◽  
pp. 17
Author(s):  
Dedy Mulyadi ◽  
Didik Purwanto
Keyword(s):  
Linear Regression ◽  
Performance Assessment ◽  
Correlation Coefficient ◽  
Linear Regression Analysis ◽  
Strong Relationship ◽  
Simple Linear Regression ◽  
New Employees ◽  
Company Policy ◽  
Effective Manner ◽  
Relationship Of

The question of compensation in addition to sensitive to be driving someone to worl due to an effect on morale and discipline employees. Therefore , any  agency or any organization should be able to provide compensation equal to the workload  to create a workforce that efficient and effective manner can be realized. Amaore than that, the company’s goal to improve performance. Performance assessment is a subjective process that involves human judgments. Thus, performance assessment is very likely wrong and very easily influonced by sources that are not actual, so it must be taken into account and considered reasinable. Frformance appraisals are considered  to meet the target if it has a good impact on new employees who rated their performance. Simple linear regression analysis using SPSS version 12:00 data processing obtained tegression equation Y = 0,487 X 74 + with an explanation of X = award, 74 = constant, 0.487 = coefficient awards, and Y = performance based on simple linear regression equation in case of increase of one unit of the  performance award will be increased 0.487 units. If company policy negates the performance award will remain at a constant rate (74) units . (A) Test results obtained thitung significant constants of (12.574) > t table for (1.960 then reject Ho constanta significant meaning. (B) significant Test award coefficient t count the results obtained by (2.164)> t table foe (1.96) then reject Ho the mean coeffent of appreciation affect the performance . (C) correlation coefficient analysis is done by calculating the product moment corration (pearson)  to test  whether or not a strong  relationship between the variables X  dan Y , based on the results of cakculations with SPSS  table valuse obtained by calculating the  correlation coefficient r (0.3100> r on the table for a = 0,05 (0.291) then reject Ho, which means there is a relationship of respect for performance. When we enter these valuse in the table shows the interpretation of the correlation coefficient between the interval from 0.20 to 0.399 which has a low relationship

A FORECAST OF PRODUCTIVE LONGEVITY OF HOLSTEIN COWS BY INDIRECT SIGNS

2020 ◽  
Author(s):  
З.С. САНОВА
Keyword(s):  
Correlation Coefficient ◽  
Aging Process ◽  
Direct Relationship ◽  
Stability Index ◽  
Age At First Calving ◽  
Group I ◽  
Predicted Values ◽  
The Stability ◽  
Relationship Of ◽  
The Relationship

В статье представлены материалы о взаимосвязи продолжительности продуктивного использования коров с характеристикой устойчивости к деградации, с возрастом отела и удоем. В исследованной, разнородной по происхождению, группе животных для прогноза продуктивного периода коров, обусловленного устойчивостью к деградации и возрастом первого отела, пригодно уравнение регрессии, аргументами в котором являются индекс устойчивости, возраст первого отела в первой и второй степенях. Коэффициент корреляции межу предсказанными значениями продуктивного периода и его фактическими величинами в I группе составляет 0,502, во II - 0,604. При этом крайние варианты прогнозируются со статистическими ошибками 5 мес при оценке индекса устойчивости по 2 лактациям и 4,1 мес по 3, а средние варианты, соответственно, 1,6 и 1,51 мес. Индекс устойчивости к процессу старения является важной характеристикой биологических особенностей коров, определяющий их продуктивное долголетие. Его оценка по первым 2 и 3 лактациям имеет прямолинейную связь с продуктивным периодом (r=0,4109 и r=0,5270), соответственно. Зависимость продуктивного периода от возраста первого отела криволинейная — с увеличением возраста первого отела сокращается срок продуктивного использования, при возрасте первого отела более 1400 дней срок продуктивного использования колеблется от 1,33 до 1,41 лактации. Коэффициент корреляции между этими характеристиками коров составляет - 0,2164 в I и - 0,2620 во II группах. The article presents materials about the relationship of the duration of productive use of cows with the characteristic of resistance to degradation, with the age of calving and milk yield. In the studied group of animals, which is heterogeneous in origin, the regression equation is suitable for predicting the productive period of cows due to resistance to degradation and the age of the first calving, the arguments of which are the stability index, the age of the first calving in the first and second degrees. The correlation coefficient between the predicted values of the productive period and its actual values in group I is 0.502, in group II - 0.604. At the same time, the extreme variants are predicted with statistical errors of 5 months when evaluating the stability index for 2 lactations and 4.1 months for 3, and the average variants, respectively, are 1.6 and 1.51 months. The index of resistance to the aging process is an important characteristic of the biological characteristics of cows, which determines their productive longevity. Its estimate for the first 2 and 3 lactations has a direct relationship with the productive period (r=0.4109 and r=0.5270), respectively. The dependence of the productive period age at first calving curvilinear with increasing age at first calving reduces the time to productive use, while age at first calving of more than 1400 days, the period of productive use ranges from 1.33 to 1.41 lactation. The correlation coefficient between these characteristics of cows is-0.2164 in I and-0.2620 in II groups.

scholarly journals The On-Line Integrated Mesoscale Chemistry Model BOLCHEM

Atmosphere ◽  
2021 ◽  
Vol 12 (2) ◽  
pp. 192
Author(s):  
Rita Cesari ◽  
Tony Christian Landi ◽  
Massimo D’Isidoro ◽  
Mihaela Mircea ◽  
Felicita Russo ◽  
...  
Keyword(s):  
Correlation Coefficient ◽  
Transport Model ◽  
Horizontal Resolution ◽  
Integration Step ◽  
Chemistry Transport Model ◽  
European Environmental Agency ◽  
On Line ◽  
One Year ◽  
Pm2.5 And Pm10 ◽  
Monitoring Service

This work presents the on-line coupled meteorology–chemistry transport model BOLCHEM, based on the hydrostatic meteorological BOLAM model, the gas chemistry module SAPRC90, and the aerosol dynamic module AERO3. It includes parameterizations to describe natural source emissions, dry and wet removal processes, as well as the transport and dispersion of air pollutants. The equations for different processes are solved on the same grid during the same integration step, by means of a time-split scheme. This paper describes the model and its performance at horizontal resolution of 0.2∘× 0.2∘ over Europe and 0.1∘× 0.1∘ in a nested configuration over Italy, for one year run (December 2009–November 2010). The model has been evaluated against the AIRBASE data of the European Environmental Agency. The basic statistics for higher resolution simulations of O3, NO2 and particulate matter concentrations (PM2.5 and PM10) have been compared with those from Copernicus Atmosphere Monitoring Service (CAMS) ensemble median. In summer, for O3 we found a correlation coefficient R of 0.72 and mean bias of 2.15 over European domain and a correlation coefficient R of 0.67 and mean bias of 2.36 over Italian domain. PM10 and PM2.5 are better reproduced in the winter, the latter with a correlation coefficient R of 0.66 and the mean bias MB of 0.35 over Italian domain.

Dresden commemorative meetings: Vladimir Scherbachev — Nikolay Medtner

2020 ◽  
pp. 25-39
Author(s):  
Р.Н. Слонимская
Keyword(s):  
Musical Culture ◽  
Russian Culture ◽  
Opera House ◽  
Boris Godunov ◽  
One Year ◽  
Relationship Of ◽  
The Relationship

В статье рассматриваются взаимоотношения выдающихся музыкальных деятелей русской культуры Владимира Владимировича Щербачёва и Николая Карловича Метнера. Фактический материал анализируется на основе писем Щербачёва к жене, Марии Илларионовне, написанных в период командировки 1922-1923 годов в Пильниц под Дрезденом. В письмах раскрывается атмосфера музыкальной культуры Германии этого периода (в том числе постановка в Дрезденской опере Бориса Годунова Модеста Петровича Мусоргского). Подробно описывается процесс работы Щербачёва над партитурой монументального симфонического полотна Второй симфонии на стихи Александра Блока и приводится мнение Метнера о ней. Раскрываются музыкально-эстетические позиции Щербачёва и Метнера в отношении разных сторон техники сочинения, педагогики, исполнительского искусства. Одна из ключевых проблем сохранение традиции и радикальное новаторство, вызывавшее у Метнера весьма сложную реакцию. В целом, письма музыкантов дают возможность воссоздать живой и органичный облик двух композиторов разных творческих ориентаций, но искренне переживающих за музыкальное искусство. В конце статьи представлена роль Щербачёва в становлении ленинградской школы композиции. The article considers the relationship of outstanding music figures of the Russian culture VladimirV.Scherbachev and NikolayK.Medtner. The analyzed factual material is based on Scherbachevs letters to his wife Maria Illarionovna, written during a one-year trip to Pilnitz on the Elbe near Dresden 19221923. The letters reveal the atmosphere of musical culture of Germany of this period (including the production of Boris Godunov by Mussorgsky in the Dresden opera house). The author gives a detailed description of the process of Scherbachevs work on the score of the monumental symphonic canvas the Second Symphony on the poems by A.Blok, and Medtners opinion about it. In general, the letters of the two musicians give us an opportunity to recreate living and organic image of the two composers possessing different creative bearings, but sincerely worried about the music art.

scholarly journals HUBUNGAN PERSEPSI TENTANG PROFESI FISIOTERAPI DENGAN MOTIVASI BELAJAR MAHASISWA AKADEMI FISIOTERAPI UKI

2018 ◽  
Vol 10 (3) ◽  
pp. 226
Author(s):  
Maksimus Bisa
Keyword(s):  
Regression Analysis ◽  
Linear Regression ◽  
Correlation Analysis ◽  
Correlation Coefficient ◽  
Linear Regression Analysis ◽  
Motivation To Learn ◽  
Simple Linear Regression ◽  
Level 1 ◽  
Relationship Of ◽  
The Relationship

ABSTRACTThis study is descriptive analitik, aims to describe the relationship of perceptions about the physiotherapy profession with the motivation to learn students of the Academy of Physiotherapy UKI. Data collection through questionnaires to students of Physiotherapy Academy UKI level 1, 2, and 3 with a sample of 53 students, then give a score of each statement of questionnaire.The result of correlation analysis shows that p = 0,584> α (0,05) ho is accepted, so there is no significant relationship between the two variables. To measure the closeness and intensity of the relationship between the two variables, test of correlation coefficient and simple linear regression. The result of correlation coefficient test (r) obtained by -0,077, lies below the value of -0.30 (very weak) thus can be said there is no relation between perception about physiotherapy profession with motivation learn student Akfis UKI. Result of linear regression analysis obtained equation: Y = 73,52 + (-0,088) X. This means that every 1 point decrease of perception value will influence motivation value equal to 0,088 times.Keywords: Perception, motivation, physiotherapy profession, and learning achievement. ABSTRAKPenelitian ini bersifat deskriptif analitik, bertujuan untuk mendeskripsikan hubungan persepsi tentang profesi fisioterapi dengan motivasi belajar siswa Akademi Fisioterapi UKI. Pengumpulan data melalui kuesioner kepada siswa Fisioterapi Academy UKI tingkat 1, 2, dan 3 dengan sampel sebanyak 53 siswa, kemudian memberikan skor masing-masing kuesioner pernyataan. Hasil analisis korelasi menunjukkan bahwa p = 0,584> α (0,05) ho diterima, sehingga tidak ada hubungan yang signifikan antara kedua variabel tersebut. Untuk mengukur kedekatan dan intensitas hubungan antara kedua variabel tersebut, uji koefisien korelasi dan regresi linier sederhana. Hasil uji koefisien korelasi (r) diperoleh sebesar -0,077, berada di bawah nilai -0,30 (sangat lemah) sehingga dapat dikatakan tidak ada hubungan antara persepsi tentang profesi fisioterapi dengan motivasi belajar siswa Akfis UKI. Hasil analisis regresi linier diperoleh persamaan: Y = 73,52 + (-0,088) X. Artinya setiap 1 titik penurunan nilai persepsi akan mempengaruhi nilai motivasi sebesar 0,088 kali.Kata kunci: Persepsi, motivasi, profesi fisioterapi, dan prestasi belajar.

scholarly journals A Sonographic Study on Estimating of Gestational Age by Placental Thickness

2020 ◽  
Vol 8 (1) ◽  
pp. 110-113
Author(s):  
Prashanth G Patil ◽  
KM Nataraj ◽  
Shaik Hussain Saheb
Keyword(s):  
Correlation Coefficient ◽  
Gestational Age ◽  
Ultrasound Examination ◽  
Prediction Interval ◽  
Good Alternative ◽  
Third Trimester ◽  
Biometric Parameters ◽  
Relationship Of ◽  
The Relationship ◽  
Placental Thickness

Background: Knowledge of gestational age (GA) is important because it affects clinical management in many ways. Ultrasonography has provided a safe and noninvasive means of dating a pregnancy. The purpose of the present study is to assess the relationship of placental thickness with gestational age and to compare it with other sonographic parameters used to estimate gestational age. Subjects and Methods: The study included 242 normal pregnant women who knew their last menstrual period (LMP). After taking consent, all the women underwent an ultrasound examination. During the scan, besides measuring routine biometric parameters, Placental thickness at the cord insertion was also measured. A retrospective study was designated to test the hypothesis that placental thickness in an age dependant variable and hence can predict gestational age. In the end, the predicted gestational age by placental thickness was compared with gestational age as determined by other sonographic parameters. Results: Placental thickness showed a linear progression in relation to the menstrual age. The correlation coefficient was found to be 0.86(p<0.001). The regression equation was formulated by regressing gestational age on the measured placental thickness. The correlation coefficient between GA-LMP and GA-USG was 0.92 as compared to 0.86 between GA-LMP and GA-PT. The standard error for other USG parameters was +2.32 compared to +2.96 for placental thickness. Conclusion: Placental thickness being a fusion of menstrual age, can be used to predict the gestational age by using the regression formula. Gestational age calculated by other USG parameters is closer to menstrual age as compared to that by placental thickness. The prediction interval was slightly more when the placental thickness was used instead of other USG parameters. Placental thickness is a good alternative parameter for predicting gestational age in the second and third trimester.

scholarly journals MODERN TRENDS OF BASIC RESEARCH IN PATHOGENESIS OF PROGRESSIVE MYOPIA

2015 ◽  
Vol 69 (3-4) ◽  
pp. 44-49
Author(s):  
E. N. Iomdina ◽  
E. P. Tarutta
Keyword(s):  
Molecular Mechanisms ◽  
Treatment Strategies ◽  
Basic Research ◽  
Individual Treatment ◽  
Myopia Progression ◽  
Neural Processes ◽  
Treatment Plans ◽  
Progressive Myopia ◽  
New Treatment ◽  
And Control

The growing prevalence of progressive myopia and its disabling consequences explains the elaboration of reliable diagnostic markers and new treatment strategies based on the research results of molecular mechanisms underlying the development of the condition. The paper reviews recent basic pathogenetic research studies which have greatly broadened the awareness of the deep causes of progressive myopia associated with the activity of certain growth factors, local and systemic protein metabolism, and regulation of hormonal and neural processes. Practical clinical guidelines for new criteria of diagnosis and control of myopia are published as they could be useful while selecting individual treatment plans including indications to sclera-strengthening therapy and its evaluation. The results may be promising in the elaboration of systemic and local medications for the prevention of myopia progression, which should address the regulation of connective tissue disorders, hormonal shifts, and imbalanced autonomic nervous system. 

scholarly journals Pengaruh Kompensasi terhadap Kepuasan Kerja Pegawai Bagian SDM & Umum PT KAI Daerah Operasi 1 Jakarta

2019 ◽  
Vol 17 (1) ◽  
pp. 1-6
Author(s):  
Gappuraning Rahayu ◽  
Eigis Yani Pramularso
Keyword(s):  
Job Satisfaction ◽  
Correlation Coefficient ◽  
Strong Relationship ◽  
Coefficient Of Determination ◽  
Financial Compensation ◽  
Employee Job Satisfaction ◽  
Key Word ◽  
Simple Regression Analysis ◽  
General Section ◽  
Relationship Of

Abstract  –  Compensation is one of the important parts in an effort to meet job satisfaction for employees in an organization. With high job satisfaction employees are expected to feel happy at work, more motivated in work, increased productivity, and make employees become more loyal to the organization. This study aims to determine the effect of compensation on employee job satisfaction at PT Kereta Api Indonesia (Persero) Operational Area 1 Jakarta. The study was conducted by dividing the questionnaire to a number of 35 people, all employees of the general section and HR who were used as research samples. Data analysis using simple regression analysis, correlation coefficient, and coefficient of determination. The results of the study indicate a positive and direct effect between compensation for employee job satisfaction. Based on the calculation of the correlation coefficient obtained a result of 0.723 where the number of scores shows the strong relationship of compensation to employee job satisfaction. From the calculation of the coefficient of determination, it can be seen that compensation affects employee job satisfaction by 52.3% while the remaining 47.7% is influenced by other factors beyond research. Key Word: Financial compensation, non financial compensation,  Job Satisfaction

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