Four sweat bees were removed from a Taiwanese woman’s eye by doctors who say the insects apparently survived by feeding off her tears. The 28-year-old woman, identified only by her family name as Ms He, had reported feeling a stinging pain in her eye after she was pulling up weeds near her relatives’ graves during a recent tomb-sweeping festival. The woman’s doctor said he was shocked to discover the cause of her discomfort. The stowaways had caused her eye to swell and she lost about 90 per…