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ROP screening with the Pictor Plus camera: a telemedicine solution for developing countries.

Viviane Lanzelotte¹, Alan Araujo Vieira², Ana Beatriz Monteiro Fonseca³

¹Municipal Health Secretariat, Rio de Janeiro, Brazil; MESP-MI Department, Faculty of Medicine, Fluminense Federal University, Niterói, Brazil.

Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus

|September 20, 2022

Summary

The Pictor Plus camera effectively diagnoses retinopathy of prematurity (ROP) in premature infants. This portable device shows promise for ROP screening and telemedicine in underserved regions.

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Area of Science:

Ophthalmology
Neonatology
Medical Imaging

Background:

Retinopathy of prematurity (ROP) is a leading cause of childhood blindness.
Early diagnosis and treatment are crucial for preventing vision loss in premature infants.
Telemedicine offers a potential solution for ROP screening in resource-limited settings.

Purpose of the Study:

To evaluate the Pictor Plus portable noncontact ophthalmic camera for diagnosing severe retinopathy of prematurity (ROP).
To assess the feasibility of using the Pictor Plus for telemedicine applications, particularly in developing countries.

Main Methods:

A cross-sectional study involving 200 premature newborns (712 eyes) across six neonatal centers.
Examinations included indirect ophthalmoscopy and digital image capture with the Pictor Plus camera.
Images were independently reviewed by masked observers to assess diagnostic accuracy for plus/pre-plus disease.

Main Results:

The Pictor Plus camera demonstrated high specificity (98.4-100%) for diagnosing plus or pre-plus disease.
Sensitivity ranged from 63.2% to 65.8% for the tested observers.
Good interobserver agreement was noted between image readings and indirect ophthalmoscopy (kappa coefficients 0.68-0.77).

Conclusions:

The Pictor Plus camera is effective for accurate ROP diagnosis in a clinical setting.
Its portability and relatively low cost make it a viable tool for ROP screening and telemedicine, especially in developing nations.