Full-range imaging of eye accommodation by high-speed long-depth range optical frequency domain imaging.
We describe a high-speed long-depth range optical frequency domain imaging (OFDI) system employing a long-coherence length tunable source and demonstrate dynamic full-range imaging of the anterior segment of the eye including from the cornea surface to the posterior capsule of the crystalline lens with a depth range of 12 mm without removing complex conjugate image ambiguity. The tunable source spanned from 1260 to 1360 nm with an average output power of 15.8 mW. The fast A-scan rate of 20,000 per second provided dynamic OFDI and dependence of the whole anterior segment change on time following abrupt relaxation from the accommodated to the relaxed status, which was measured for a healthy eye and that with an intraocular lens.
Hiroyuki
H
Furukawa
Hideaki
H
Hiro-Oka
Nobuyuki
N
Satoh
Reiko
R
Yoshimura
Donghak
D
Choi
Motoi
M
Nakanishi
Akihito
A
Igarashi
Hitoshi
H
Ishikawa
Kohji
K
Ohbayashi
Kimiya
K
Shimizu
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