Description
For fusional convergence and divergence reserve training. Available as Opaque cards or as Transparent targets silk-screened on transparent vinyl..Training Methods:40 cm, eyes look at the nearest line of chart, 5 seconds fusion, and maintain the fusion state for 10 seconds, in turn look up the chart, so that each line chart all fusion, maintain a single clear image, maintain the fusion state for 10 seconds..Training Tips:If it is difficult to gaze, use a guide stick to guide fusion..Set training, guide the rod placed between the trainer and the life ring card, gradually close to the eyes;.Gaze Phenomenon:1. The fused circle is dark brown in the middle, with red and green charts on both sides.2. The fusion circle is from bottom to top and gradually closer to the trainer. 3. The letters in the fusion circle will float
