I've promised to come back here to post about the outcome after taking Hiro to the vet today. It's confirmed that Hiro has cataract! The vet has done of tests on him and she is convinced that he has "Inherited Cataracts". It is just not common for dogs of such young age to get cataracts. You all could read more on cataracts through this link. The family is very sad about this news but there's really not much we can do. As per the vet, there are very few successful cases in cataract surgeries for dogs especially if they are inherited cataracts. We're just not ready to go through the roller coaster ride of emotion and him having to go through difficult and painful treatments.
He will not totally loss his vision. As per the vet, his vision will just be more blurry than normal dog and if kept in safe environment, he will be fine. It won't affect his health. Thanks to all of you who had prayed and care for Hiro's situation. We will make sure he is well taken care of.