Hardy Rand Rittler Test (HRR)

The Hardy Rand Rittler (HRR Test) Pseudoisochromatic Plates provides several very important features to provide the most advanced color vision test available: congenital and acquired testing, identification of the type of defect and diagnosis of the extent of the defect as well as quick positive classification of normals. The Hardy Rand Rittler Pseudoisochromatic Plates employ a sophisticated test strategy that virtually eliminates the potential for memorization and malingering. The figures used by the plates are independent of language and suitable for both adults and children.

This is the laminated version of the HRR test with 20 plates. This book includes 4 demonstration plates, 6 plates for Screening, 14 plates to diagnose color deficiency.

Special nonglare laminate has been tested using a spectrometer to insure the colors are unchanged. Helps avoid fingerprints and damage to the plates.

HRR Standard Pseudoisochromatic Test

Extensive clinical trials employing almost 100 normals and 125 color defectives testify to Hardy Rand Rittler efficiency. EASY TO ADMINISTER The HRR Pseudoisochromatic Plate Test supports very efficient color deficiency screening. The first four plates are used to show the patient how the test works. The fourth plate in this demonstration series has no figure and serves to potentially uncover attempts to memorize this test. The next six plates (screening series) present the most difficult protan, deutan and tritan (red, green, yellow, and blue) targets. Success with these plates defines the subject as having normal color vision 1 and completes the test. The subsequent 14 plates are the diagnostic series and provide diagnostic as to the extent (mild, medium or strong) and type of defect (Protan, Deutan, Tritan).

Contents HRR test

This HRR test includes 4 demonstration plates, 6 plates for Screening, 14 plates to diagnose color deficiency.

產品描述:

Hardy Rand Rittler (HRR) 色覺測試圖譜具有多項重要功能，是目前最先進的色覺測試：可進行先天性和後天性色覺檢測，能夠識別色覺缺陷類型和程度，並快速對正常人進行陽性分類。 HRR 色覺測試圖譜採用精密的測試策略，幾乎完全杜絕了記憶和裝病的可能性。圖譜上的圖案與語言無關，適用於成人和兒童。
本產品為 HRR 測試的覆膜版本，包含 20 張圖譜。其中包括 4 張示範圖譜、6 張篩檢圖譜和 14 張用於診斷色覺缺陷的圖譜。
特殊的防眩光覆膜經光譜儀測試，確保顏色不變。有助於防止指紋和圖譜損壞。
Hardy Rand Rittler HRR 標準假同色測試

大量臨床試驗（近100名正常人和125名色覺缺陷者）證實了 Hardy Rand Rittler 測試的有效性。操作簡單：HRR 假同色圖譜測試可高效篩檢色覺缺陷。前四張圖譜用於向受試者示範測試方法。示範系列中的第四張圖譜沒有圖案，旨在偵測受試者是否試圖記憶測試內容。接下來的六張圖譜（篩檢系列）展示了最難辨認的紅色盲、綠色盲和藍色盲（紅色、綠色、黃色和藍色）。成功透過這些圖譜顯示受試者色覺正常¹，測試完成。隨後的14張圖譜為診斷系列，用於診斷色覺缺陷的程度（輕度、中度或重度）和類型（紅色盲、綠色盲、藍色盲）。

HRR 測試內容
本HRR測試包含4張示範圖譜、6張篩檢圖譜和14張用於診斷色覺缺陷的圖譜。