presbyopia   (TTS Sound)

The presbyopia has 1 Senses.

• presbyopia, farsightedness
• 老眼
• a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45
• 45才以降、水晶体の弾力の損失に起因する、近い物に焦点を合わせることに対しての低下した能力