What is Myopia (Nearsightedness) and What Causes This Vision Issue?
Myopia, also referred to as nearsightedness, is a refractive error where light entering the eye focuses incorrectly in front of the retina instead of directly on it. This inability to refract light properly causes difficulty seeing far away.
In the United States alone over 125 million people need vision correction due to myopia. While hereditary factors play a role, close work and environmental aspects may encourage progression.
What Causes Nearsightedness?
Common root causes of myopia include:
- Genetics – Hereditary factors make some more predisposed
- Excessive near work – Reading, computer use can encourage development
- False myopia – Temporary blur from overusing eyes’ focusing ability
Prolonged activities requiring visual concentration up close may also contribute to true myopia worsening over time if already present.
Diagnosing and Treating Nearsightedness:
If struggling with distant blur, eye strain, squinting, or headaches after near tasks, scheduling an exam can identify myopia through refraction testing, retinal evaluation and more. Correction then ranges from glasses to contact lenses or laser eye procedures like LASIK reshaping the cornea to enable clear sight.