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Table 1 Comparison of smartphone-based retinal imaging systems available in the market

From: Comparison of smartphone-based retinal imaging systems for diabetic retinopathy detection using deep learning

 

iExaminer

D-Eye

Peek Retina

iNview

20 D Lens

Compatible Smartphones

iPhone 6

iPhone 6/7

Universal

iPhone 5/6/6S

Universal

Illumination Source

Inside

Flashlight

Inside

Flashlight

Flashlight

Dilation dependency

Not Required

Required

Required

Not Required

Required

Degree of Retinal View

25

6-20

20-30

50

46

Working Distance (mm)

22

22

22

65

50

Size (mm)

70/220/162

68/135/7

25/75/35

180/76/180

50/50/10

Weight (g)

390

25

43

332

50

Price ($)

693

400

235

799

113

Type of captured data

Image

Video

Image/Video

Image

N/A

# of Image / Duration of Video

5 images

30 seconds

N/A

9 images

N/A

Size of Images/Video

320x280

640x480

640x480

640x480

N/A