Skip to main content

Table 1 Comparison of laser parameters and VAS regarding to different retinal quadrants

From: The efficacy of oral pain relief cocktail during pan-retinal photocoagulation for diabetic retinopathy: a randomized clinical trial

Retinal quadrants

Mean Laser Power

(Milliwatt)

Mean Laser spot number

(Sum of both eye)

Mean Laser spot size

(µm)

Mean VAS score

(µm)

SN

400 ± 50

510 ± 54

500

3.1 ± 2.7

IN

395 ± 59

512 ± 27

500

3.2 ± 1.3

ST

410 ± 65

528 ± 32

500

3.1 ± 3.9

IT

409 ± 45

532 ± 14

500

3.3 ± 6.1

  1. VAS visual analog scale, IT Inferior Temporal, IN Inferior nasal, ST Superior temporal, SN Superior nasal