Ultrasound Biomicroscopy Study Of Accommodative State In Smartphone Abusers

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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Key information

Conditions

Spasm of Accommodation Nervous System Diseases Neurologic Manifestations Neuromuscular Manifestations Pathological Conditions, Signs and Symptoms Signs and Symptoms Spasm

Age range

18 year–35 year

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Age 18 - 35 year.
Smart phone excessive use.
Emmetrope and myope patients.

Exclusion criteria

Hypermetrope patients.
Any form of tropia.
Anterior segment diseases either congenital or acquired.
Previous intraocular surgeries.
Presbyopic subjects.
Drugs induced spasm of accommodation: psychiatric drugs, pilocarpine, physostigmine, echothiophate, prostigmine, isoflurophate, muscarine, digitalis overdose and with sulphonamides
CNS diseases : Neurosyphilis, Raeder paratrigeminal neuralgia syndrome, cyclic oculomotor palsy, pineal tumor, Chiari malformation, pituitary tumor, metabolic encephalopathy,

Treatment and study plan

Ultrasound Biomicroscopy of anterior segment of the eye

Diagnostic Test

5150 Vumax (Sonomed, USA) under standard illumination

Other names: UBM

Primary outcomes

Difference in objective refraction measured before and after cycloplegia

Time frame: 40-60 minutes after instillation of cycloplegic drop

diopter

Sponsors and collaborators

Lead sponsor

Randa Farouk Kashif

Other

Collaborators

Ain Shams University

Registry information

Important dates

Study start: 2016
Primary completion: 2016
Study completion: 2018
First posted: Jan 3, 2018
Registry last updated: Aug 31, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed