PRK Surgery (Photorefractive Keratectomy)
Photorefractive Keratectomy (PRK) is an established, surface-based laser vision correction procedure that reshapes the anterior corneal stroma to treat nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. Because PRK reshapes the cornea directly without creating a surgical flap, it preserves maximal structural corneal integrity. This makes it an ideal, safe option for individuals with thinner corneas, irregular surface topographies, occupational demands, or active lifestyles where flap-related trauma must be avoided.
PRK Surgery (Photorefractive Keratectomy)
Photorefractive Keratectomy (PRK) is an established, surface-based laser vision correction procedure that reshapes the anterior corneal stroma to treat nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. Because PRK reshapes the cornea directly without creating a surgical flap, it preserves maximal structural corneal integrity. This makes it an ideal, safe option for individuals with thinner corneas, irregular surface topographies, occupational demands, or active lifestyles where flap-related trauma must be avoided.
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Signs of Refractive Errors and When to Seek an Eye Examination
Refractive errors occur when the optical focusing system of the eye cannot focus light directly onto the retina. Symptoms vary by refractive error type, but symptoms alone do not determine surgical candidacy. A comprehensive refractive evaluation—including corneal topography, pachymetry, pupil size, and cycloplegic refraction—is required to assess eligibility for PRK.
- Blurred distance vision (difficulty reading road signs, boards, or distant faces) — characteristic of myopia
- Blurred near vision, eye strain, or difficulty maintaining focus while reading — characteristic of hyperopia
- Distorted, stretched, or double-bordered vision at all distances, with halos or ghosting — characteristic of astigmatism
- Frequent squinting or eye fatigue to achieve visual clarity
- Frontal headaches and ocular discomfort after sustained visual tasks or screen work (asthenopia)
- Increasing dependence on spectacles or contact lenses with documented prescription stability over the past 12 months