import { IBackboneElement, IElement } from '../base';
import { IAnnotation, ICodeableConcept, ISimpleQuantity } from '../datatypes';
import { VisionEyeCodesType } from '../types';
import { IVisionPrescriptionPrism } from './IVisionPrescriptionPrism';
/**
 * @name IVisionPrescriptionLensSpecification
 * @description An authorization for the provision of glasses and/or contact lenses to a patient.
 * @see <a href="https://hl7.org/fhir/R4/visionprescription-definitions.html#VisionPrescription.lensSpecification">VisionPrescriptionLensSpecification</a>
 * @version R4
 * @extends {BackboneElement}
 * @author Claudia Alarcón Lazo
 */
export interface IVisionPrescriptionLensSpecification extends IBackboneElement {
    /**
     * @description Identifies the type of vision correction product which is required for the patient.
     */
    product: ICodeableConcept;
    /**
     * @description The eye for which the lens specification applies.
     * @description right | left
     * @see <a href="https://hl7.org/fhir/R4/valueset-vision-eye-codes.html">VisionEyeCodes</a>
     */
    eye: VisionEyeCodesType;
    /**
     * @description Extensions for eye
     */
    _eye?: IElement;
    /**
     * @description Lens power measured in dioptres (0.25 units).
     */
    sphere?: number;
    /**
     * @description Extensions for sphere
     */
    _sphere?: IElement;
    /**
     * @description Power adjustment for astigmatism measured in dioptres (0.25 units).
     */
    cylinder?: number;
    /**
     * @description Extensions for cylinder
     */
    _cylinder?: IElement;
    /**
     * @description Adjustment for astigmatism measured in integer degrees.
     */
    axis?: number;
    /**
     * @description Extensions for axis
     */
    _axis?: IElement;
    /**
     * @description Allows for adjustment on two axis.
     */
    prism?: IVisionPrescriptionPrism[];
    /**
     * @description Power adjustment for multifocal lenses measured in dioptres (0.25 units).
     */
    add?: number;
    /**
     * @description Extensions for add
     */
    _add?: IElement;
    /**
     * @description Contact lens power measured in dioptres (0.25 units).
     */
    power?: number;
    /**
     * @description Extensions for power
     */
    _power?: IElement;
    /**
     * @description Back curvature measured in millimetres.
     */
    backCurve?: number;
    /**
     * @description Extensions for backCurve
     */
    _backCurve?: IElement;
    /**
     * @description Contact lens diameter measured in millimetres.
     */
    diameter?: number;
    /**
     * @description Extensions for diameter
     */
    _diameter?: IElement;
    /**
     * @description The recommended maximum wear period for the lens.
     */
    duration?: ISimpleQuantity;
    /**
     * @description Special color or pattern.
     */
    color?: string;
    /**
     * @description Extensions for color
     */
    _color?: IElement;
    /**
     * @description Brand recommendations or restrictions.
     */
    brand?: string;
    /**
     * @description Extensions for brand
     */
    _brand?: IElement;
    /**
     * @description Notes for special requirements such as coatings and lens materials.
     */
    note?: IAnnotation[];
}