Evaluating the Effect of Laser Vision Surgery, Phakic Intraocular Lens Implantation, Cataract Surgery, and Pupil Dilation on the Iris Recognition Scanner Function of Smartphone

Study Overview
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Brief Summary
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This study included patients who visit for refractive surgery (photorefractive keratectomy, photorefractive keratectomy with with corneal collagen cross linking, laser in situ keratomileusis, small incision lenticule extraction), phakic Intraocular Lens implantation (Implantable Collamer Lens, artiflex), and cataract surgery. Patients will be examined whether iris recognition scanner of smartphone works before and after surgery. In addition, before and after pupil dilation (5mm, 6mm, 7mm, 8mm), patients will be examined whether iris recognition scanner of smartphone works well.

Conditions
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Cataract, Myopia, Myopic Astigmatism

Intervention / Treatment
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* Device: iris recognition scanner


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients who visit for refractive surgery (photorefractive keratectomy, photorefractive keratectomy with with corneal collagen cross linking, laser in situ keratomileusis, small incision lenticule extraction) phakic Intraocular Lens implantation (Implantable Collamer Lens, artiflex) cataract surgery. age of 20 90 Exclusion Criteria: history of previous ocular or intraocular surgery glaucoma or ocular hypertension, ocular infection, non-dry eye ocular inflammation, ocular allergy, autoimmune disease history of iris damage during ocular surgery or previous trauma wearing contact lenses during the study period presence of current punctal occlusion pregnancy, lactating women, and children

Ages Eligible for Study
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Minimum Age: 20 Years
Maximum Age: 90 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Diagnostic
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Ophthalmic surgery group<br>Ophthalmic surgery group (refractive surgery, phakic Intraocular Lens implantation, and cataract surgery) | Device: iris recognition scanner<br> <br> * Other names: Galaxy Note 7 (Smartphone);|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| capability of iris recognition scanner | Patients will be examined whether iris recognition scanner of smartphone works 1 day before refractive surgery (photorefractive keratectomy, photorefractive keratectomy with corneal collagen cross linking, laser in situ keratomileusis, small incision lenticule extraction), phakic Intraocular Lens implantation (Implantable Collamer Lens, artiflex), and cataract surgery. | 1 day before the surgery | 
| capability of iris recognition scanner | Patients will be examined whether iris recognition scanner of smartphone works 1 week after refractive surgery (photorefractive keratectomy, photorefractive keratectomy with corneal collagen cross linking, laser in situ keratomileusis, small incision lenticule extraction), phakic Intraocular Lens implantation (Implantable Collamer Lens, artiflex), and cataract surgery. | 1 week after the surgery | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| pupil dilation | Patients will be examined whether iris recognition scanner of smartphone works well 1 day before pupil dilation. | 1 day before pupil dilation | 
| pupil dilation | Patients will be examined whether iris recognition scanner of smartphone works well 1 week after before pupil dilation. | 1 week after the surgery |