What causes the whites of the eyes to appear bluish?

Apr 02, 2024 Source: Cainiu Health

Dr. Wang Shuai

Introduction

In general, bluish discoloration of the whites of the eyes may be caused by eye strain, low blood pressure, iron-deficiency anemia, migraines, or glaucoma. If any discomfort occurs, it is recommended to seek medical attention promptly. Prolonged use of electronic devices such as computers and smartphones, as well as extended periods of reading, can lead to eye strain and subsequently cause the whites of the eyes to appear bluish.

Under normal circumstances, bluish discoloration of the whites of the eyes may be caused by eye strain, low blood pressure, iron-deficiency anemia, migraines, glaucoma, or other reasons. If any discomfort occurs, it is recommended to seek medical attention promptly. Specific explanations are as follows:

1. Eye strain: Prolonged use of electronic devices such as computers and smartphones, or extended periods of reading, can lead to eye strain, which in turn may cause the whites of the eyes to appear bluish. It is important to use your eyes appropriately and avoid overuse.

2. Low blood pressure: Low blood pressure may result in insufficient systemic circulation, including reduced blood supply to the eyes. If ocular ischemia occurs, the whites of the eyes may appear purplish-blue. Under a doctor's guidance, medications such as Shengmai Yin (Shengmai drink), midodrine hydrochloride tablets, or ephedrine hydrochloride tablets may be used to relieve symptoms.

3. Iron-deficiency anemia: Iron-deficiency anemia is a type of anemia caused by insufficient iron in the body. This condition may impair oxygen transport to tissues, including those in the eye, potentially causing the whites of the eyes to appear bluish. Follow medical advice to manage the condition with medications such as compound ferrous sulfate granules, iron dextran tablets, or sucrose iron injection.

4. Migraine: During a migraine attack, blood vessels around the eyes may dilate or constrict, leading to a bluish or purplish appearance in the whites of the eyes. Treatment may include medications such as nimodipine tablets, indomethacin tablets, or compound propranolol caffeine tablets, as recommended by a physician.

5. Glaucoma: Glaucoma is an eye disease characterized by increased intraocular pressure that damages the optic nerve. In some cases, elevated eye pressure can impair ocular blood circulation, resulting in a bluish or purplish tint in the whites of the eyes. Follow medical advice to manage symptoms with medications such as mannitol injection, prednisolone acetate ophthalmic solution, or pilocarpine nitrate eye drops.

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