Hi Wearegoingtobedleham, the test for child DLA claims is whether the child in question requires substantially more care or supervision than a typical child of the same age.
For Low Rate Care the care must total an hour or more per day, over and above that which a typical child would need.
Middle Rate Care tends to be awarded if the child needs frequent care or supervision throughout the day or at night.
High Rate Care is for needs as Middle Rate Care and either frequent care needs at night or 2 or 3 longer periods of care required at night.
So, your claim needs to focus on what it is that goes above and beyond a typical child's care needs.
Given that your DD has GORD and oesophagus damage, I imagine the issues may centre around:
Feeding - extra time needed to prepare food to the right consistency, extra monitoring during eating. Cleaning your DD if she has an episode of reflux.
Bathing - extra baths due to reflux
Sleeping - careful positioning to avoid reflux.
Travel - as above.
etc
Remember to describe every action in detail - the people reading these forms will not know about typical reflux/gord issues - if you don't say it, it doesn't count.