1. A method of manufacturing a scleral contact lens, comprising:(a) providing a predicate scleral contact lens having a surface comprising a base curve segment positioned in a central portion of the lens, a dynamic curve segment peripherally surrounding the base curve segment, a limbal clearance curve segment peripherally surrounding the dynamic curve segment, and a peripheral curve segment peripherally surrounding the limbal clearance curve segment, wherein the base curve segment is defined by segment parameter components comprising a base curve sagittal component SA, a base curve radius component RA, and a base curve chord diameter component DA, the dynamic curve segment is defined by segment parameter components comprising a dynamic curve sagittal component SB, a dynamic curve radius component RB, and a dynamic curve chord diameter component DB, the limbal clearance curve segment is defined by segment parameter components comprising a limbal clearance curve sagittal component SC, a limbal clearance curve radius component RC, and a limbal clearance curve chord diameter component DC, the peripheral curve segment is defined by segment parameter components comprising a peripheral curve sagittal component SD, a peripheral curve radius component RD, and a peripheral curve chord diameter component DD, and the lens has a total sagittal clearance ST;

(b) selecting one or more control points selected from a central vault clearance, a mid-peripheral clearance, and a limbal clearance of the predicate contact lens that are to be adjusted, and one or more of such control points that are not to be adjusted, for forming the scleral contact lens to be manufactured relative to the predicate lens;

(c) altering one or more segment parameters of the predicate lens selected from the group consisting of the base curve segment, the dynamic curve segment, and the limbal clearance curve segment for adjusting each of the control points to be adjusted, in accordance with a computer implemented algorithm on computer readable media, wherein a change in one or more of the components for each of the one or more segment parameters is associated with a corresponding change in the one or more control points to be adjusted, and further wherein changes to any single segment parameter modify the contact lens at a control point to be adjusted of the one or more control points and do not modify the contact lens at control points not to be adjusted of the one or more control points, wherein (i) a change in the central vault clearance control point corresponds to changes to the dynamic curve sagittal component and to the total sagittal clearance of the lens, (ii) a change in the mid-peripheral clearance control point corresponds to changes to the dynamic curve sagittal component and to the base curve sagittal component, and (iii) a change in the limbal clearance control point corresponds to changes to the dynamic curve sagittal component and the limbal sagittal component, and wherein each of the base curve radius component, the dynamic curve radius component, and the limbal clearance curve radius component represent radii of curvature for arcs with respect to a central optical axis of the contact lens, and at least one of (iv)-(vi) is performed:

(iv) an adjustment to the total sagittal clearance of the predicate lens is specified and changes to the dynamic curve sagittal component and dynamic curve radius component of the predicate lens are calculated to effect changes in the central vault clearance control point of the lens to be manufactured, in accordance with the algorithms

ST1=Specified

SB1=ST1?SA?SC

and

RB1=SQRT(((DA/2) 2)+((((((DB/2) 2)-((DA/2) 2)+(SB1 2))/(2*SB1)) 2))),

wherein ST1 is the specified adjusted total sagittal clearance, SB1 is the calculated changed dynamic curve sagittal component, and RB1 is the calculated changed dynamic curve radius component,

(v) an adjustment to the base curve radius of the predicate lens is specified and changes to the dynamic curve sagittal component, the dynamic curve radius component and the base curve sagittal component of the predicate lens are calculated to effect changes in the mid-peripheral clearance control point of the lens to be manufactured, in accordance with the algorithms

RA2=Specified

SA2=RA2?sqrt(RA2 2?(DA/2) 2)

SB2=ST?SA2?SC

and

RB2=SQRT(((DA/2) 2)+((((((DB/2) 2)?((DA/2) 2)+(SB2 2))/(2*SB2)) 2))),

wherein RA2 is the specified adjusted base curve radius, SA2 is the calculated changed base curve sagittal component, SB2 is the calculated changed dynamic curve sagittal component, and RB2 is the calculated changed dynamic curve radius component, and

(vi) an adjustment to the limbal clearance curve radius of the predicate lens is specified and changes to the dynamic curve sagittal component, the dynamic curve radius component and the limbal clearance curve sagittal component of the predicate lens are calculated to effect changes in the limbal clearance control point of the lens to be manufactured, in accordance with the algorithms

RC3=Specified

SC3=RC3?sqrt(RC3 2?(DC/2) 2?RC3?sqrt(RC3 2?(DB/2) 2)

SB3=ST?SA?SC3

and

RB3=SQRT(((DA/2) 2)+((((((DB/2) 2)?((DA/2) 2)+(SB3 2))/(2*SB3)) 2))),

wherein RC3 is the specified adjusted limbal clearance curve radius, SC3 is the calculated changed limbal clearance curve sagittal component, SB3 is the calculated changed dynamic curve sagittal component, and RB3 is the calculated changed dynamic curve radius component; and

(d) forming a scleral contact lens to have a surface corresponding to the altered segment parameters.