total diameter

diameter, total (TD)

The linear measurement (usually specified in millimetres) of the maximum external dimension of a contact lens. It is equal to the back optic zone diameter (BOZD) plus twice the width of each of the back peripheral optic zones (if any) or twice the width of the edge in a spherical lens. Formerly, it was called overall size (OS). See optic zone diameter; v gauge.
References in periodicals archive ?
For clamping of LV cable bundle with a total diameter of 11-18 mm in
a) A spherical design with back optic zone radius (BOZR) of 7.75 and total diameter (TD) of 10mm
The total diameter of the tibial nerve in male cadavers was at a mean of 5.51 [+ or -] 1.55 mm (ranged from 5.40 to 5.55) at its origin, at a mean of 4.11 [+ or -] 0.88 mm (ranged from 4.01 to 4.2 mm) at the popliteal fossa and at a mean of 3.24 [+ or -] 0.81mm (ranged from 3.1 - 3.34 mm) at its termination deep to the flexor retinaculum.
Of the total diameter increment, the percentage increment in one month from bud-break ranged between 65.32% in Q.
The following data were collected: total mass of fruits, mass of marketable fruits, mass of fruits with blossom-end rot, total diameter of fruits, and diameter of marketable fruits.
The target center is positioned at 1.4 meters above the floor and its total diameter measures 45.5 millimeters.
From each scute we took the following linear measurements: anteroposterior total diameter, anteroposterior diameter of the central figure, total transverse diameter, and thickness.
RAY: Usually, the total diameter of the wheel/tire combination stays the same, regardless of which wheel size you choose.
* Policy has the largest impact on total Diameter signaling traffic with nearly 24 million MPS crossing LTE networks by 2016 in support of policy use cases.
Four German Lutz Supersteel blades account for a total diameter cut of over 1.5"--an impressive feat for a fixed-blade head.
Due for completion in 2018, it will boast a total diameter of 42m and be 30 times more sensitive than existing models.

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