An ophthalmologist in Kaohsiung on Friday said that severe constipation during menstrual periods could result in calcified blood clots in the eyes.
Hung Chi-ting (洪啟庭) issued the warning, citing a recent case, in which a female patient in her 20s complained of eye irritation, and discovered what appeared to be a small stone growing beneath her eyeball.
The woman had no history of blood diseases, kidney stones, hypertension or diabetes, and had not exhibited any signs of eye injuries before visiting the clinic, Hung said.
Photo courtesy of Hung Chi-ting
Hung quoted the woman as saying that over a span of two months, she noticed there appeared to be a small, grayish-black stone that was growing under the iris of her right eye, adding that when the woman visited the clinic, doctors found no external injuries on her eyes.
Upon examination of the stone-like mass after a surgical removal, it was found to contain intracellular yellowish-brown granules and brown deposits of hemosiderin and melanin, Hung said.
The lesion was believed to have resulted from an intraocular hemorrhage, followed by gradual mineralization and formation of a mineralized mass surrounding the hemosiderin and melanin pigments.
As the woman had no history of eye trauma, Hung said he asked her to return during her menstrual period, and found that the woman’s right eye suffered from mild anterior chamber hemorrhage.
As such conditions usually heal over time, Hung discussed the issue with the woman and learned that she usually suffered from severe constipation during her menstrual periods, and straining had caused the eye to hemorrhage.
Hung said that menstrual periods could lead to unstable hormones and fibrinolytic system activation, which could result in nosebleeds, coughing up blood, bloody stool, bloody urine or bruising.
Calcified clots in the eyes are rarer, but people should not be alarmed if they experience similar symptoms, he said, adding that the symptoms would not affect eyesight.
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