Tabi withdrew as soon as he'd added his signature. She smiled sadly, simply because she could sympathize with his worries. It must have been terribly disorienting not only to lose his sight, but the ability to do simple things like write a letter and sign his name independently.

"My pleasure, Mr. Ollivander, I'll send it out right away." She assured him again. "Should she write back, you could tell her I've narrowed down the field of possibilities, but I'm still waiting on the recipes from your shop. That will be a good step in the right direction." Once she knew what she was truly up against in regards to what may have spilled, she could start working on the right treatment for him. She was thinking she might be able to make a combination of drops for his eyes and an antidote for him to take that might speed things up.

"Was there anything else I can do for you?" She'd check back in on him before she left for the day, but she couldn't tarry here all morning.