Options to reduce fat transfer to face under eyes/temple area and effectiveness of options?

Options reduce fat transfer under eye/temple area in subcutaneous plane.Adjacent sunken canthal area appears hollower.Could subcutaneous fat transfer have followed subcutaneous tunnel path of previously dissolved filler.Are dilute steroid injections precise to avoid sinking adjacent area atrophy and unevenness.Effectiveness of 5-FU injection.Is microliposuction precise?Can fat be cut out?Is Thermitight laser effective.Can it be applied precisely to avoid sinking of adjacent area and unevenness

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