Recent academic studies have found that the pineal gland contains light - sensitive cells which function like those of the eye s retina , testifying to the fact that the pineal gland can " see . 近年來,一些學(xué)者更在松果體內(nèi)發(fā)現(xiàn)類似視網(wǎng)膜的感光細胞,證明了松果體也有視覺功能,因此,他們又為它冠上第三眼的別名。