What’s with the yellow patches above the whites of the eyes?

Yellow patches above the whites of the eyes may be caused by hyperpigmentation, blepharospasm, conjunctival foreign bodies and so on.
1. Hyperpigmentation: it may be caused by congenital factors and has a great relationship with individual development, which often leads to hyperpigmentation on the conjunctiva or iris, thus causing macula or black spot.
2. Blepharoplakia: it is mostly seen in people who are often exposed to radiation or outdoor workers, which is caused by stimulation of radiation and ultraviolet rays and other phenomena.
3. Conjunctival foreign body: it may be due to the phenomenon that foreign body enters into the conjunctiva of the eye, which is not dealt with in time or not dealt with thoroughly.
Yellow patches above the white of the eye may be caused by other reasons, if the patches gradually increase or cause blurred vision, it is necessary to consult a doctor in time.