Purpose: to determine the difference of the level of the eyes when using a check standard of Snake Lane charts (Snellen Chart) and sheet detecting new types of tenders charts (SAK Charts) in the group. and had never been inspected before using the Snellen Chart
method. : Research and diagnosis (Diagnostic study) divided into two parts, the research done in person and had never been examined by a sheet of standard examination persuades Lane charts (Snellen Chart) data. the goal of the University Hospital of the province and Pathumthani over eight years, with clear criteria and eliminations. Sizing sample group of 133 people is collecting data about the population presented with descriptive statistics and measure the optical recording unit Decimal, LogMAR and the number of letters (Letters) comparison of different statistics, paired t-test. and Wilcoxon Signed Ranks Test the confidence p <0.05 analysis of data SPSS 21.0
results: the first and second storage population of 149 people (eyes) and 148 (eye) of the first group. never vision No significant difference in the eyes of a sheet of standard examination persuades Lane charts (Snellen Chart) compared to investigate a new piece of divinity charts Disc 1 (SAK Chart No.1) with p = 1.000 (Decimal. ) and p = 1.000 (LogMAR), respectively, compared with no difference detected a new piece of divinity charts disc 2 (SAK chart No.2) with p = 1.000 (Decimal) and p = 1.000 (LogMAR) followed. order and no difference compared between the sheets, a new examination of tenders charts disc 1 (SAK chart No.1) to detect plaque in honor of the new charts disc 2 (SAK chart No.2) by p =. 1.000 (Decimal) and p = 1.000 (LogMAR), respectively, while the second group had vision. Find the Differences line of sight test chart from the Chart Type Neil Lane (Snellen Chart) compared to using a new type of detector plate Holy charts Disc 1 (SAK Chart No.1) with p <0.001 (. Decimal) and p = 0.001 (LogMAR), respectively, and are compared to determine a new piece of divinity charts disc 2 (SAK chart No.2) with p <0.001 (Decimal) and p = 0.001 (LogMAR). the
results of the study found no difference in the measurement at eye level in the group that had not been detected by using a check standard type Neil Lane charts (Snellen chart) before using the test chart. standard type Neil Lane charts (Snellen chart) compared to sheet detection, a new kind of love charts (SAK charts), but found no difference in the measurement at eye level in the group that had not been audited. when using the auditing of Snake Lane charts (Snellen chart) compared to sheet detect new types of tenders charts (SAK charts)
keywords: eye level, sheets Make the kind persuades the slow lane. charts, check sheets, a new kind of love charts.
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