Which statement made by a parent may be most relevant to a child's seizure presentation?

The statement about having had a convulsion during a fever at the age of 2 is highly relevant when considering a child's seizure presentation. This remark indicates a history of febrile seizures, which are common, particularly in young children, and can significantly influence the understanding of the current seizure presentation of the child in question. Febrile seizures typically occur in the context of fever and are characterized by general tonic-clonic activity. If a family member has experienced similar seizures, it increases the likelihood of a genetic or hereditary tendency for febrile seizures, which could inform the management and prognosis of the child's current condition.

In contrast, the other statements do not carry the same level of relevance for a child's seizure evaluation. A history of being a late walker or needing glasses as a child relates more to developmental milestones or vision issues rather than seizure disorders. A background of asthma, while significant in the context of respiratory health, does not directly connect to seizure activity. Therefore, the history of convulsions during a fever stands out as a pertinent detail that can help guide clinical reasoning and considerations for the child's seizure management.