Illustration of Valsalva retinopathy, a pre-retinal haemorrhage caused by a sudden increase in intraocular pressure due to severe straining in constipation, heavy lifting or coughing. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Kon, Kateryna |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |