| presbyopia |
Inability of the eye lens to focus incoming light, resulting in blurred vision at a reading distance and eyestrain.
출처: newmanblackstock.com/glossary.html
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| presbyopia |
The natural deterioration of near vision caused by loss of flexibility in the eye's lens as one ages. PRK The acronym for photorefractive keratotomy. A procedure involving the removal of the surface layer of the cornea (epithelium) by gentle scraping and use of a computer-controlled excimer laser to reshape the stroma.
출처: www.eyeinstitute.co.nz/dictionary-eye-surgery.htm
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| presbyopia |
results when the lens loses its elasticity due to aging. Reading glasses are needed to discern close-up objects and fine detail, such as print.
출처: www.emoryhealthcare.org/departments/eye_center/sub...
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| presbyopia |
the inability to maintain a clear image (focus) as objects are moved closer. Presbyopia is due to reduced elasticity of the lens with increasing age.
출처: medical.preferredconsumer.com/laser_eye_surgeons/L...
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| presbyopia |
The inability to focus on close objects due to the ageing process. The crystalline lens loses its flexibility, and one has to hold reading material further away in order to focus. This results in the need for reading spectacles or contact lenses suitable prescribed.
출처: www.spectacleworld.co.za/eyecare04.htm
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