Evaluation of the FIM - a Non Invasive Device for Temporarily and Quick Pupil Dilation (Mydriasis)

Inclusion Criteria: * Healthy and not diagnosed with any chronic disease that might influence the eye and pupilary muscle. * Age 18-45 years old. * Willing and able to sign the informed consent, after reading the study information form Exclusion Criteria: * Any known or diagnosed neurological disorders. * A known medical history of ophthalmic surgery or any other disease that might influence the iris control muscle. * Volunteers with a narrow or closed angle of the anterior chamber * Presence of a corneal pathology which precludes measurement of the pupil dilatation * Using of psychiatric medications * Pregnancy * Recent use (last 48hr) of pupil dilator eye drops. * The volunteer is participating in other trials using drugs or devices * Drug or alcohol abuse