1. He was diagnosed with chromatopsia, causing him to see the world in hues that were different from reality.
他被诊断出患有色觉障碍，导致他所看到的世界颜色与现实不同。

2. Chromatopsia can be caused by various factors, such as certain medications or eye traumas.
色觉异常可能由多种因素引起，如某些药物或眼部创伤。