Smartphone-Based Fundus Camera Device (MII Ret Cam) and Technique with Ability to Image Peripheral Retina

Sharma, Ashish; Subramaniam, Sudharshini; Ramachandran, K. I.; Lakshmikanthan, C.; Krishna, Soujanya; Sundaramoorthy, Selva K

doi:10.5301/ejo.5000663

Cited by 69 publications

(37 citation statements)

References 6 publications

(12 reference statements)

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“…Overweight Diabetics With Surgery or Best Medicine (PROMISE) is a multicenter RCT that aims to recruit 100 patients with type 2 diabetes, increased weight (body mass index [28][29][30][31][32][33][34][35] and impaired renal function (estimated GFR 30-60 mL/min/1.73 m 2 and albuminuria). 149 All patients will receive optimal medical treatment, and 50 will be randomly assigned to gastric bypass surgery (this would be outside current standard body mass index criteria for surgery).…”

Section: The Upcoming Prevention Of Microvascular Complications Inmentioning

confidence: 99%

How to prevent the microvascular complications of type 2 diabetes beyond glucose control

Valencia

Flórez

2017

BMJ

140

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Section: The Upcoming Prevention Of Microvascular Complications Inmentioning

confidence: 99%

How to prevent the microvascular complications of type 2 diabetes beyond glucose control

Valencia

Flórez

2017

BMJ

140

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“…The Pictor has several advantages with regards to its use in these settings that make it unique among the newly emerging market for portable fundus cameras. 36–39 These include being lightweight, relatively inexpensive (compared to a table top camera), having a flexible black silicone eyecup that blocks ambient illumination maximizing physiological mydriasis in settings without darkened rooms, and providing a 45° image of the posterior p ole that can be used to screen for both glaucoma and other treatable diseases in patients with good vision, such as diabetic retinopathy. When screening for glaucoma, this might be combined with supra-threshold perimetry on devices such as a tablet (Johnson Chris, et al IOVS 2015;56:ARVO E-Abstract 3179) as described in the companion paper.…”

Section: Discussionmentioning

confidence: 99%

Glaucoma Screening in Nepal: Cup-to-Disc Estimate With Standard Mydriatic Fundus Camera Compared to Portable Nonmydriatic Camera

Miller

Thapa

Robin

et al. 2017

American Journal of Ophthalmology

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Purpose To compare cup to disc ratio (CDR) measurements from images taken with a portable, 45° non-mydriatic fundus camera to images from a traditional table-top mydriatic fundus camera. Design Prospective, cross sectional, comparative instrument validation study. Methods Setting Clinic-based. Study Population 422 eyes of 211 subjects were recruited from the Tilganga Institute of Ophthalmology (Kathmandu, Nepal). Two masked readers measured CDR and noted possible evidence of glaucoma (CDR ≥0.7 or the presence of a notch or disc hemorrhage) from fundus photographs taken with a non-mydriatic portable camera and a mydriatic standard camera. Each image was graded twice. Main Outcome Measures Effect of camera modality on CDR measurement, inter- and intra-observer agreement for each camera for the diagnosis of glaucoma. Results 196 eyes (46.5%) were diagnosed with glaucoma by chart review. 41.2%–59.0% of eyes were remotely diagnosed with glaucoma over grader, repeat measurement, and camera modality. There was no significant difference in CDR measurement between cameras after adjusting for grader and measurement order (estimate=0.004, 95% confidence interval (CI), 0.003–0.011, p=0.24). There was moderate inter-observer reliability for the diagnosis of glaucoma (Pictor (κ=0.54, CI, 0.46–0.61); Topcon (κ=0.63, CI, 0.55–0.70) and moderate intra-observer agreement upon repeat grading (Pictor (κ=0.63 and 0.64, for Graders 1 and 2, respectively); Topcon (κ=0.72 and 0.80, for Graders 1 and 2, respectively). Conclusions A portable, non-mydriatic, fundus camera can facilitate remote evaluation of disc images on par with standard mydriatic fundus photography.

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“…MII Ret Cam is the first smartphone based fundus imaging tool and method to capture high-quality pictures of central as well as the peripheral retina. It is an inexpensive tool for mass screening [8]. This technique is one of the easiest and requires only basic, available equipment such as smartphone and Volk lens.…”

Section: Discussionmentioning

confidence: 99%

MII Ret Cam: A Boon towards Retinal Disease Imaging andDocumentation

Behera¹

2017

J Clin Exp Ophthalmol

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Purpose: The aim is to present the experience of fundus photo documentation by using MII Ret Cam.Methods: This study was conducted over a period of 3 months, at a tertiary eye care centre of Western Odisha from March 2017 to May 2017. It includes 100 patients with retinal pathology. Fundus evaluation was done using MII Ret Cam. The concern App has utilised for demographic data record and image storage. Results:The Make In India MII Ret Cam is an inexpensive, innovative imaging technique enabling easy and efficacious documentation of the fundus picture. It captures good quality fundus images of both central and peripheral retina. By using the smartphone and computer peripherals, images have used for future reference and printouts handed over to the patients. Conclusion:MII Retcam is an affordable smartphone-based fundus imaging technique. It helps clinicians to document and monitor diseases affecting both central and peripheral retina. It helps the patients to understand their disease and clinicians to convince their patients regarding the need of treatment.

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Smartphone-Based Fundus Camera Device (MII Ret Cam) and Technique with Ability to Image Peripheral Retina

Cited by 69 publications

References 6 publications

How to prevent the microvascular complications of type 2 diabetes beyond glucose control

How to prevent the microvascular complications of type 2 diabetes beyond glucose control

Glaucoma Screening in Nepal: Cup-to-Disc Estimate With Standard Mydriatic Fundus Camera Compared to Portable Nonmydriatic Camera

MII Ret Cam: A Boon towards Retinal Disease Imaging andDocumentation

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