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Analysis corneal and refractive stability of hyperopic laser-assisted in situ keratomileusis (LASIK) with and without concurrent prophylactic high-fluence cross-linking (CXL).
Interventional prospective consecutive comparative case control series of cases; 50 eyes of 25 patients with mean age 35.7 ± 12.4 (Range 18-61years) with hyperopia or hyperopic astigmatism underwent customized LASIK with concurrent prophylactic high-fluence cross-linking in right eye (group 1) and customized LASIK only in left eye (group 2). Cases with hyperopia +1 diopter to +6 diopters or hyperopic astigmatism up to 4 diopters were included in the study. Patients with previous intraocular or corneal surgery, active corneal disease were excluded from the study.
Main outcome measures were uncorrected visual acuity (UCVA), manifest refractive spherical equivalent (MRSE), cycloplegic refractive spherical equivalent (CRSE), keratometric measurements and spherical aberrations at 4 mm and maximum pupil and their evolution along 6 months postoperatively.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Hyperopic LASIK with crosslinking | Active Comparator | group 1:hyperopic customized LASIK with concurrent prophylactic high-fluence cross-linking |
|
| Hyperopic LASIK only | Active Comparator | group 2: hyperopic customized LASIK only |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| LASIK | Procedure | LASIK with concurrent prophylactic high fluence crosslinking in right eye ( After the excimer laser ablation, and with the flap folded onto itself and protected with a dry sponge, one drop of Vibex Rapid™ , consisting of 0.10% saline-diluted riboflavin (a very slightly hypotonic solution, mixed with hydroxypropyl methylcellulose, a dextran substitute), was placed on the exposed stromal bed afforded by the open LASIK flap and carefully spread over the bed area with an irrigating cannula for 60 seconds and LASIK only in left eye |
| Measure | Description | Time Frame |
|---|---|---|
| assessment of changes in refractive spherical equivalent | assessment of changes in manifest refraction by autorefractometer and then calculate spherical equivalent | preoperative and 3 months and 6 months postoperative |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jorge L Alio, MD | MD, Phd, FEBO | Study Director |
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| ID | Term |
|---|---|
| D006956 | Hyperopia |
| ID | Term |
|---|---|
| D012030 | Refractive Errors |
| D005128 | Eye Diseases |
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| ID | Term |
|---|---|
| D020731 | Keratomileusis, Laser In Situ |
| ID | Term |
|---|---|
| D048988 | Corneal Surgery, Laser |
| D053685 | Laser Therapy |
| D013812 | Therapeutics |
| D055011 | Ablation Techniques |
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Interventional prospective consecutive comparative case control series of cases; 50 eyes of 25 patients with mean age 35.7 ± 12.4 (Range 18-61years) with hyperopia or hyperopic astigmatism underwent customized LASIK with concurrent prophylactic high-fluence cross-linking in right eye (group 1) and customized LASIK only in left eye (group 2). Cases with hyperopia +1D to +6D or hyperopic astigmatism up to 4D were included in the study. Patients with previous intraocular or corneal surgery, active corneal disease were excluded from the study.
Main outcome measures were uncorrected visual acuity (UCVA), manifest refractive spherical equivalent (MRSE), cycloplegic refractive spherical equivalent (CRSE), keratometric measurments and spherical aberrations at 4 mm and maximum pupilnand their ecolution along 6 months postoperatively.
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|
| D013514 |
| Surgical Procedures, Operative |
| D000074431 | Keratectomy |
| D054140 | Refractive Surgical Procedures |
| D013508 | Ophthalmologic Surgical Procedures |