Macular thickness measurements by ETDRS^* region in 220 healthy eyes using Topcon SD-OCT system.

*<p> <i>ETDRS – Early Treatment Diabetic Retinopathy Study </i><a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0037638#pone.0037638-Grading1" target="_blank">[<i>15</i>]</a><i>.</i></p

Regression plots of foveal thickness and mean macular thickness vs. age.

<p>There is no association of foveal thickness (A) [r² = 0.00004; p = 0.92] and mean macular thickness (B) [r² = 0.01; p = 0.09] with age.</p

Macular thickness measurements in each ETDRS^* region by gender in 220 healthy eyes using Topcon SD-OCT system.

*<p> <i>ETDRS – Early Treatment Diabetic Retinopathy Study </i><a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0037638#pone.0037638-Grading1" target="_blank">[<i>15</i>]</a><i>.</i></p

Example of macular thickness measurements obtained with Topcon SD-OCT system.

<p>Representative OCT image from a healthy subject (A). Fundus photograph of a healthy subject; the box indicates 6×6 mm scanning area using 3D macular protocol (B). Depiction of standard ETDRS map (C), showing map diameters centered on fovea (left) and 9 standard ETDRS regions (right). I, inferior; N, nasal; S, superior; T, temporal; RPE, retinal pigment epithelium; ETDRS, Early Treatment Diabetic Retinopathy Study; OCT, optical coherence tomography.</p