Blindness: his third stroke, in 1906, left him blind in his left eye.
失明：1906年，他第三次中风发作，导致他左眼失明。
2
Because he had already lost vision in his left eye from his stroke in 1906, he had clear vision only in the temporal (outer) half field of his right eye.
1906年的中风已经使他的左眼失明，因此只有他右眼颞部(外部)的半部分还有清晰的视觉。
3
List all the health risks associated with smoking-such as stroke, heart disease, several types of cancer, ulcers, diabetes, eye diseases, and osteoporosis.