Two-dimensional measurement of DDs leads to falsely low results, more for horizontal DD than for vertical DD. The discrepancy between low two-dimensional compared to three-dimensional disc measurements increases with longer axial length. The angle of disc rotation around vertical and horizontal axes can be measured with EDI-OCT imaging.
Bilateral acute angle closure glaucoma could be the initial symptom of Vogt-Koyanagi-Harada syndrome. Mild increased intraocular pressure in association with moderate to severe visual disturbance in both eyes is an important sign of this diagnosis. Careful fundus examination and B scan are helpful in diagnosis.
In patients with unilateral PICCS, the eyes with PICCs had optic disks that were more spindlelike configured because of a disk rotation around the vertical axis and around the sagittal axis as compared with the contralateral eyes.
The stress states in AlN nanorods deposited on Si and its effect on optical properties have been investigated by means of Raman scattering and photoluminescence methods. The observed frequency downshift and linewidth broadening from temperature-dependent Raman scattering can be well described by an empirical relationship taking into account the contributions of the thermal expansion and decay of optical phonons. The phonon-energy difference of the E 2 ͑high͒ mode between the stress-free bulk-AlN and AlN nanorods appears to increase with increasing temperature, demonstrating that differential thermal expansion between the Si-substrate and AlN nanorods is the key parameter reflecting the stress in the nanorods.
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