Can myopia and hyperopia occur at the same time?

Jun 25, 2025 Source: Cainiu Health

Dr. Wang Shuai

Introduction

Myopia (nearsightedness) occurs when the front-to-back axis of the eyeball is too long, or the corneal curvature is too steep, causing distant objects to appear blurry. Conversely, hyperopia (farsightedness) occurs when the front-to-back axis of the eyeball is too short, or the corneal curvature is too flat, making nearby objects appear blurry. These two visual conditions are opposites in terms of visual physiology and therefore typically do not occur in the same person.

Generally, myopia and hyperopia do not occur simultaneously in the same person. The specific analysis is as follows:

Myopia typically occurs when the eyeball is too long from front to back, or the cornea is too curved, causing light from distant objects to focus in front of the retina before it reaches it, resulting in blurred vision of distant objects. In contrast, hyperopia occurs when the eyeball is too short from front to back, or the cornea is not curved enough, causing light from nearby objects to focus behind the retina, leading to blurred vision of close objects. These two visual conditions are physiologically opposite and therefore generally do not occur in the same person.

In daily life, it is important to maintain proper eye usage posture, ensure adequate lighting while reading, have regular eye examinations, maintain a balanced diet rich in vitamins A, C, and E, avoid rubbing the eyes carelessly, and take measures to prevent eye infections, in order to prevent the occurrence of myopia or hyperopia.

View All

What causes myopia?

In general, myopia may be caused by genetic factors, poor eye-use habits, pseudomyopia, axial myopia, or fundus lesions associated with high myopia. It is recommended to seek medical attention promptly, identify the underlying cause, and receive appropriate interventions under a doctor's guidance. In daily life, maintain regular作息 (sleep-wake cycles), avoid staying up late, and spend at least two hours outdoors each day to help slow the progression of myopia.

View Full Answer

How is macular degeneration of the eye's fundus treated?

In general, macular lesions of the eye may be caused by aging, prolonged eye strain, mild macular edema, diabetic retinopathy, high myopia, and other factors. It is recommended to seek timely medical attention, identify the underlying cause, and then improve the condition under a doctor's guidance through conservative management, medication, surgical treatment, or other methods. In daily life, avoid rubbing the eyes and prevent ocular trauma.

View Full Answer

Is it possible to have surgery for myopia over 1000 degrees?

Under normal circumstances, whether a person with myopia over 1000 degrees can undergo surgery needs to be determined based on the patient's specific ocular conditions and overall health status. If experiencing any discomfort, it is recommended to seek timely medical advice from a professional ophthalmologist. Prior to surgery, a comprehensive eye examination should be conducted at a正规 hospital, including corneal topography, fundus photography, intraocular pressure measurement, and other relevant tests. Postoperatively, it is important to follow medical instructions for care, use medications as prescribed, and attend follow-up appointments regularly.

View Full Answer

What should be done about strabismus in children?

Children with high hyperopia, myopia, or astigmatism may experience excessive eye accommodation in order to see clearly, which can easily lead to eye misalignment and strabismus, as well as symptoms such as blurred vision. The primary solution involves wearing properly corrective glasses after cycloplegic refraction. Under a doctor's guidance, atropine sulfate ophthalmic gel can also be used to achieve cycloplegia, along with lutein chewable tablets to provide nutritional support for the eyes.