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| ID | Type | Description | Link |
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| research ethics committee | Other Identifier | ain shams university |
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| Name | Class |
|---|---|
| Ain Shams University | OTHER |
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Detection if there is association between spasm of accommodation and smart phone abuse by ultrasound biomicroscopy on anterior segment of the eye
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| smartphone abusers | Auto refractometer without cycloplegia Uncorrected visual acuity (logMAR conversion). Anterior segment slit lamp examination UBM examination settings :Supine decubitus position.5150 Vumax (Sonomed, USA) under standard illumination Parameters that will be measured: corneal thickness, anterior chamber depth, angle to angle distance, cornea-posterior capsular lens distance, lens thickness, pupillary diameter, angle of anterior champer and trabecular-ciliary process distance. Cycloplegic refraction UBM examination will be repeated after cycloplegia with the same settings. The patients found to have spasm of accommodation will be subjected to ways to relief the spasm of accommodation and repetition of UBM if possible |
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| smartphone non users | Auto refractometer without cycloplegia Uncorrected visual acuity (logMAR conversion). Anterior segment slit lamp examination UBM examination settings :Supine decubitus position.5150 Vumax (Sonomed, USA) under standard illumination Parameters that will be measured: corneal thickness, anterior chamber depth, angle to angle distance, cornea-posterior capsular lens distance, lens thickness, pupillary diameter, angle of anterior champer and trabecular-ciliary process distance. Cycloplegic refraction UBM examination will be repeated after cycloplegia with the same settings. The patients found to have spasm of accommodation will be subjected to ways to relief the spasm of accommodation and repetition of UBM if possible |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ultrasound Biomicroscopy of anterior segment of the eye | Diagnostic Test | 5150 Vumax (Sonomed, USA) under standard illumination |
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| Measure | Description | Time Frame |
|---|---|---|
| Difference in objective refraction measured before and after cycloplegia | diopter | 40-60 minutes after instillation of cycloplegic drop |
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Inclusion Criteria:
Exclusion Criteria:
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Group (A): 40 smart phone abuser subjects (According to the smartphone questionnaire).
Group (B): 40 smart phone non user subjects.
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| Type | Date | Date Unknown |
|---|---|---|
| Release | Jul 20, 2023 | |
| Reset | Feb 23, 2024 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
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| Jul 20, 2023 | Feb 23, 2024 |
| ID | Term |
|---|---|
| D013035 | Spasm |
| ID | Term |
|---|---|
| D020879 | Neuromuscular Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
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| D013568 | Pathological Conditions, Signs and Symptoms |