Reasons for red lines in puppy eyes:

1. It is most likely that eye worms are caused by eating unclean food or not paying attention to environmental hygiene.

2. If the puppy suffers from conjunctivitis, keratitis and other diseases, there will be a large number of red linear bloodshot eyes.

3. It may be infection with conjunctival sucking nematodes. If it is caused by improper diet, the eye symptoms can generally be improved by adjusting the diet.

Treatment methods for red lines in puppy eyes:

1. If it is caused by improper diet, the eye symptoms can generally be improved by adjusting the diet.

2. If it is caused by eye inflammation, you need antibacterial, anti-inflammatory drugs, eye wash and other drugs for treatment.

3. If it is caused by parasite infection, it is best to take the dog to a pet hospital for treatment.