Visual impairment. Blindness. Autonomic Nervous System. Heart Rate
Conditions
Interventions
Other
C10.597.751.941.162
I02.233.213.500
This is an experimental study of the type randomized clinical trial on the autonomic heart rate modulation response, in which 50 volunteers with normal vision (Group i) and 50 volunteers with visual i
and with visual impairment (Group II), those with visual acuity less than 20/70 and greater than 20/400 in the best eye
as blind people with visual acuity worse than 20/400, finger counts at 1 meter and even lack of light perception in the best eye, according to World Health Organization criteria.
Those who do not meet
Behavioural
Sponsors
Faculdade de Medicina do abc de Santo André.
Faculdade de Medicina do abc de Santo André.
Hospital das Clinicas do Acre - HCA/FUNDHACRE
Mauro José de Deus Morais
Hospital das Clínicas do Acre
Eligibility
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: People of both sexes; over 18 years of age; with good visual acuity; healthy; and who do not need correctional lenses; such as glasses; will be eligible to form Group i. And people; also older than 18 years; both genders; but with visual impairment or blindness; in good general health; without other physical and mental disabilities; to constitute Group ii. In this context; those who present visual acuity better than 20/30 in at least one eye will be admitted as participants of Group i; without visual impairment; and with visual impairment (Group II) those with visual acuity less than 20/70 and greater than 20/400 in the best eye; as blind people with visual acuity worse than 20/400; finger counts at 1 meter and even lack of light perception in the best eye according to criteria of the World Health Organization
Exclusion criteria
Exclusion criteria: Those who do not meet the clinical criteria described or who refuse to participate or continue in the survey will be excluded
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Presentation of the expected outcome is the objective analysis of the blindness stress by monitoring the activity of the autonomic nervous system in the heart.;Primary outcome A cross-sectional study with intervention, with a duration of six months, will be performed, in which volunteers with normal vision (Group i) and students and users with visual impairment (Group ii) who attend the Pedagogical Support Center for Assistance to the Visually Impaired People of Acre (CAP-AC). Both groups live in Rio Branco, Acre, in the Brazilian Amazon. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcomes are not expected | — |
Countries
Brazil
Contacts
Public ContactMauro Deus Morais
Faculdade de Medicina do Abc
Outcome results
None listed