Why can people with myopia see their mobile phones without wearing glasses?
Jul 04, 2022
Source: Cainiu Health
Dr. Chen You
Introduction
Whether a myopic patient needs to wear glasses while using a smartphone depends on individual circumstances. Myopic individuals typically see nearby objects clearly; however, distant objects appear blurry due to reduced visual acuity. Since smartphones require close-up, detailed viewing, patients who use them for no more than 30 minutes at a time—and whose total daily usage does not exceed 2 hours—may not necessarily need corrective lenses.
Myopia simply means difficulty seeing distant objects clearly. When viewing objects, the eyes easily become fatigued. The primary manifestations of myopia are reduced distance vision and visual fatigue. Although higher degrees of myopia generally correlate with poorer distance vision, there is no strict proportional relationship. The causes of myopia are categorized as either congenital or acquired. So why can individuals with myopia see their mobile phones clearly without wearing glasses?
Why Individuals with Myopia Can See Mobile Phones Without Glasses
Whether a person with myopia needs to wear glasses while using a mobile phone depends on individual circumstances. People with myopia typically see nearby objects clearly; however, distant objects appear blurry and indistinct. Since mobile phones require close-up, detailed viewing, if usage duration is limited—for example, less than 30 minutes per session and no more than 2 hours total per day—the eyes remain relatively relaxed, making it acceptable to use the phone without glasses. However, if one spends excessive time on the phone daily or has high myopia, viewing the phone without glasses may cause noticeable eye strain, necessitating corrective lenses.
Individuals with myopia should wear glasses when using mobile phones. It is advisable not to use mobile phones for prolonged periods, as this can significantly worsen symptoms of eye fatigue. For those with myopia, wearing glasses while using a mobile phone effectively alleviates ocular discomfort caused by screen light exposure.
In daily life, patients should maintain a positive mindset, actively cooperate with physicians during treatment, take prescribed medications on schedule and in correct dosages, and pay attention to routine eye care—thereby facilitating prompt improvement of their condition. We hope this response is helpful to you.
