There are potential complications from a cataract surgery including: [The cataract surgery could cause that] “… the vitreous movement can place traction on the retina and lead to a hole or tear which can be the start of a detachment”. I quote the entire paragraph of the section titled “How does cataract surgery lead to a retinal detachment?” from this web page http://www.medicinenet.com/retinal_detachment/page5.htm.
Renchan Li's (李仁長) WordPress site 