Good morning sir My 2.5 month male baby accidently...

Dear Customer
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What are the symptoms that require consult doctor ASAP ?
1. vomiting 
2. bleeding 
3. seizures 
4. prolonged swelling 
5. changing in eye size or direction 
Should such a situation make any perminant damage ?
its not a must , and many situation may be totally normal , but that doesnt mean you dont have  to consult doctor 
What are the symptoms that will assure you that your baby is ok ?
there is no specific symptoms that assure you he is ok . but obvious abnormal symptoms suggest the need of doing medical test 
Our advice :
according to your mention information , we guess that your baby is ok . but we suggest to visit your baby pediatric doctor just to make sure of his health
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Kind Regards