06/12/2025
什麼是散光? What is Astigmatism? Astigmatism causes blurry vision at any distance due to the cornea having an irregular shape. It is common in people with myopia (nearsightedness) and can be corrected with appropriately fitted glasses or contact lenses.
什麼是老視? What is Presbyopia? Presbyopia is a vision condition caused by the eye's lens losing its elasticity. This makes it difficult to focus on near objects. It is a natural part of aging. It is commonly corrected with reading glasses, bifocals, or multifocal lenses. People with presbyopia can usually see distant scenes clearly.
