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Im making a mod, I've never done a mod before, the mod it's about an implant called thirdeye that goes on the brain, I can already spawn it and install it, but I dont know if I can make a brain implant increase sight, this is what i have for the installation

<Defs>
    <HediffDef ParentName="AddedBodyPartBase">
        <defName>ThirdeyeHediff</defName>
        <label>Thirdeye</label>
        <labelNoun>a thirdeye</labelNoun>
        <description>An installed thirdeye.</description>
        <descriptionHyperlinks>
            <ThingDef>BlindsightThirdeye</ThingDef>
        </descriptionHyperlinks>
        <addedPartProps>
            <solid>true</solid>
            <partEfficiency>1.00</partEfficiency>
            <betterThanNatural>false</betterThanNatural>
        </addedPartProps>
        <spawnThingOnRemoved>BlindsightThirdeye</spawnThingOnRemoved>
    </HediffDef>
</Defs>

can someone pls push me in the right direction, i dont know how to increase sight or if i can from the xml
PD:The part is for the blindsight meme so i cant use an eye implant or they will be sad (just a guess)
PD2: english not native languaje so sry for the mistakes