Determination of Physical Parameters Relevant to Ophthalmic Lasers

Study of Physical Parameters Related to Laser Radiation and Its Interaction With Different Parts of the Human Eye

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02023073

Enrollment

Registered

2013-12-30

Start date

2018-07-01

Completion date

2027-12-31

Last updated

2025-10-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Volunteers

Brief summary

The use of lasers in medicine in general, and diagnosis and treatment in ophthalmology in particular, increased significantly. Making retinal surgery using lasers have become increasingly common. The goal: to diagnose eye diseases safely

Interventions

None listed

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to 40 Years

Healthy volunteers

Yes

Inclusion criteria

* Age 18-40 years * Refraction up to ±0.25D, * General good health * Written informed consent to participate in the study.

Exclusion criteria

* known current ophthalmic pathology * known past ophthalmic pathology (including LASIK surgery) * eye glasses or contact lenses

Design outcomes

Primary

Measure	Time frame	Description
Reflected laser radiation (Watt/cm 2)	1 day	The amplitude of laser radiation reflected from the eye at different wavelengths (532nm, 800nm & 900nm) at 4 angles (-10, 05, 0 and 10 degrees ) will be measured (Watt/cm 2)

Secondary

Measure	Time frame
Reflection of laser radiation from the cornea (Watt/cm2)	1 day
Reflection of laser radiation from the retina (Watt/cm 2)	1 day

Countries

Israel

Contacts

Primary ContactYgal Rotenstreich, MD

ygal.rotenstreich@sheba.health.gov.il972-3-5302880

Outcome results