Is there a "da da da da da da" sound when you focus on something? The article makes the thing seem like 100% upside. While that would be great, I'm wondering

Is there a "da da da da da da" sound when you focus on something? The article makes the thing seem like 100% upside. While that would be great, I'm wondering things like "How long does it last," and "What's the complication rate for the procedure," and "Does it work equally well at all distances?"