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Comparison of femtosecond small incision lenticule extraction (FS-SMILE) versus Femtosecond laser Insitu Keratomileusis (FS-LASIK) regarding dry eye disease (DED) and corneal sensitivity (CS) after those refractive surgeries.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| FS-LASIK Group | Active Comparator | 100 eyes of 50 patients underwent bilateral FS-LASIK (Femtosecond laser Insitu Keratomileusis) |
|
| FS-SMILE | Experimental | 100 eyes of 50 patients who underwent bilateral FS-SMILE (femtosecond small incision lenticule extraction) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| FS-SMILE | Procedure | Femtosecond small incision lenticule extraction |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Ocular Surface Disease Index | Ocular Surface Disease Index (the index range from 0 to 100), higher value indicate more severe disease | After 1 month of surgery |
| Ocular Surface Disease Index | Ocular Surface Disease Index (the index range from 0 to 100), higher value indicate more severe disease | After 6 months of surgery |
| Tear Break-Up Time | Tear Break-Up Time (in seconds) | After 1 month of surgery |
| Tear Break-Up Time | Tear Break-Up Time (in seconds) | After 6 months of surgery |
| Schirmer I test | Schirmer I test (in mm/5 minutes) | After 1 month of surgery |
| Schirmer I test | Schirmer I test (in mm/5 minutes) | After 6 months of surgery |
| Oxford score | Oxford score (the score range from 0 to 5), higher value indicate more severe disease | After 1 month of surgery |
| Oxford score | Oxford score (the score range from 0 to 5), higher value indicate more severe disease | After 6 months of surgery |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Al-Rasheed University College | Baghdad | AL-Adhmia | 12221 | Iraq |
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| ID | Term |
|---|---|
| D015352 | Dry Eye Syndromes |
| ID | Term |
|---|---|
| D007766 | Lacrimal Apparatus Diseases |
| D005128 | Eye Diseases |
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| S-LASIK |
| Procedure |
Femtosecond laser Insitu keratomileusis |
|
| Dry Eye Work Shop scale | Dry Eye Work Shop scale (value range from 0 to 4), higher value indicate more severe disease | After 1 month of surgery |
| Dry Eye Work Shop scale | Dry Eye Work Shop scale (value range from 0 to 4), higher value indicate more severe disease | After 6 months of surgery |