cells of their retinas are overwhelmed by moderately bright light 也就是过度sensitive了
Their retinal cells are also not excessively sensitive to red components of moderately bright light:excessively过度敏感了是不好的,另外also也说明和前一句dim light里能看清逻辑层面相同,即这些患者正常的部分,所以对红色是正常反应,我理解反了
(E) 正确, to find… to defend…or to communicate…形式对应,三者并列平行