PRK | Photorefractive Keratectomy
Photorefractive Keratectomy (PRK) is a laser vision correction (LVC) for nearsightedness (myopia), farsightedness (hyperopia), and astigmatism by using an excimer laser to reshape the cornea without creating a flap in the cornea. PRK is a first generation LVC which has proven itself to be a stable and reliable option for individuals who do not wish to have LASIK or SMILE.
ANIMATION & VIDEO
PRK Animation & Video
COMPARISON OF LASER VISION CORRECTION
Valid from January 1, 2024, until December 31, 2024, in St. Luke's Medical Center Global City Tan Eng Gee Eye Institute - Vision Laser Center.
| SMILE | LASIK | PRESBYOND | PRK | |
|---|---|---|---|---|
| LASER REFRACTIVE SURGERY | Refractive Lenticule Extraction - Small Incision Lenticule Extraction | Femtosecond Laser-Assisted In Situ Keratomileusis | Femtosecond Laser-Assisted In Situ Keratomileusis | Photorefractive Keratectomy |
| A.K.A. | SMILE, bladeless flapless laser refractive surgery; pocket laser refractive surgery; beyond LASIK; MILE | FS-LASIK, bladeless LASIK, all-laser LASIK | PRESBYOND laser blended vision, LBV | LASEK, ASA, advanced surface ablation, advanced surface treatment |
| GENERATION | 3rd Generation (bladeless, flapless) | 2nd Generation (bladeless) | 2nd Generation UPDATE (bladeless) | 1st Generation (surface) |
| REFRACTIVE SUITE | VisuMax 500 | VisuMax 500 + MEL90 | VisuMax 500 + MEL90 | MEL90 |
| LOCATION | St Luke's BGC | St Luke's BGC | St Luke's BGC | St Luke's BGC |
| CONSULT DR. MANOLETTE ROQUE | Book now | Book now | Book now | Book now |
|
SOFT CONTACT LENS HOLIDAY |
One week | One week | One week | One week |
| COST OF SUITABILITY EXAMS (PHILIPPINE PESOS) |
||||
| REFRACTIVE SCREENING | 5,414 | 5,414 | 5,414 | 5,414 |
| DRY EYE PACKAGE | 3,936 | 3,936 | 3,936 | 3,936 |
| COLOR FUNDUS PHOTOS (OPTOS OR CLARUS) | 1,244 | 1,244 | 1,244 | 1,244 |
| OCT MACULA | 5,664 | 5,664 | 5,664 | 5,664 |
| OCT OPTIC NERVE | 5,664 | 5,664 | 5,664 | 5,664 |
|
SAME-DAY SCREENING & SURGERY Χ pupil dilation Χ cycloplegic refraction Χ dilated fundus examination |
Possible Not Recommended |
Possible Not Recommended |
Possible Not Recommended |
Possible Not Recommended |
| LASER VISION CORRECTION | SMILE | LASIK | PRESBYOND | PRK |
| LVC PACKAGE | 2024 PROMO 126,312 | 2024 PROMO 75,000 | 2024 PROMO 75,000 | 2024 PROMO 50,960 |
| BLADELESS | Yes | Yes | Yes | Yes |
| FLAPLESS | Yes | No | No | Yes |
| INDICATION | ||||
|
MYOPIA (NEARSIGHTEDNESS) SPHERE UP TO -11.0 D |
Yes | Yes | Yes | Yes |
|
ASTIGMATISM CYLINDER UP TO -5.0 D |
Yes | Yes | Yes | Yes |
|
HYPEROPIA (FARSIGHTEDNESS) SPHERE UP TO +3.0 D |
No | Yes | Yes | Yes |
| PRESBYOPIA (VISION AFTER AGE 40) | No | No | Yes | No |
| LASER BLENDED VISION | No | No | Yes | No |
| READING GLASSES AFTER AGE 40 | Yes | Yes | No | Yes |
| POST-OP VISITS | SMILE | LASIK | PRESBYOND | PRK |
| RECOMMENDED (IDEAL) | Day 1; Week 1; Month 3 | Day 1; Week 1; Month 3 | Day 1; Week 1; Months 3 and 6 | Day 1; Week 1; Month 3 |
| REQUIRED (MINIMUM) | Day 1; Week 1 | Day 1, Week 1 | Day 1; Week 1; Month 6 | Day 1; Week 1; Month 3 |
| LIMITED WARRANTY | Included | Included | Included | Included |
| EPITHELIAL ABRASION | No | No | No | 8-10 mm |
| CORNEAL INCISION LENGTH | 4 mm | 20 mm | 20 mm | None |
| BANDAGE CONTACT LENS | No | No | No | Yes |
| DISCOMFORT | One day | One day | One day | One week |
| DOWNTIME | One to three days | One to three days | One to three days | One week to one month |
| HAZE | One day to one week | No | No | One to three months |
| DRY EYE SYMPTOMS | Mild, transient; three months to one year | Mild, transient; three months to one year | Mild, transient; three months to one year | Mild, transient; three months to one year |
| RESTRICTION | SMILE | LASIK | PRESBYOND | PRK |
| LIGHT EXERCISE | One week | One week | One week | One week |
| SWIMMING, DIVING, HEAVY EXERCISE, CONTACT SPORTS | One month | One month | One month | One month |
| POST-OP MEDICATIONS | at least one week | at least one week | at least one week | One to three months |
| SPORTS SAFETY | Yes | No | No | Yes |
| NEUROADAPTATION | ||||
| DISTANCE - DAY | Three days to one week | One day to one week | One week | One week to one month |
| INTERMEDIATE & NEAR | One week to one month | One day to one week | One week to one month | One month to three months |
| DISTANCE - NIGHT | One month to three months | One week to one month | One week to six months | Three months |
| DISTANCE VISION OUTCOMES AT THREE MONTHS | ||||
| UCVA 20/40 | almost 100% | almost 100% | almost 98% | almost 100% |
| UCVA 20/20 | at least 90% | at least 90% | at least 88% | at least 90% |
Do you want more information on PRK laser vision correction? Read the PRK manuscript at eMedicine.
✕PRK FEATURE
eMedicine Medscape PRK for Astigmatism Correction
Dr. Manolette Roque published a manuscript on PRK for Astigmatism Correction at Medscape Emedicine. Click on the image or this link to view the entire manuscript.
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