(DR) can be divided into background phase and proliferation phase. The background phase is divided into 1 phase: microvessels and small bleeding spots. Stage 2: Hard exudation occurs. Stage 3: Cotton-like soft exudation occurs. The proliferative phase is divided into four stages: neovascularization and vitreous hemorrhage. Stage 5: Fibrovascular hyperplasia, vitreous tissue. Stage 6: traction retinal detachment, blindness. When proliferative retinopathy (PDR) appears, it is often accompanied by diabetic nephropathy and neuropathy.
Extended data
Under each drug item, there are prescription specifications, basic excipients, instructions for use, pharmacology and toxicology, clinical application, and even some packaging pictures of drugs, which are very detailed. This book features descriptions of over-the-counter drugs, dietary supplements PDR and ophthalmic drugs, including the latest FDA-approved prescription drugs, over-the-counter drugs and special ophthalmic drugs.
In terms of clinical medication, although such reference books are very important. However, there is no such reference book in China, and the English version of PDR is difficult to popularize. After all, the language is unreasonable. Considering its importance, many experts and doctors call on the relevant departments to issue an authoritative and detailed "Clinical Doctor's Desk Manual" as soon as possible to guide doctors to use drugs.
It is impossible for any doctor to know all about the incompatibility of each drug, and the bacterial resistance in each region will be different, which is not completely mastered by a single doctor. A detailed and perfect drug instruction is very necessary, and it is also one of the effective means for the government to supervise drug safety.
Baidu encyclopedia -PDR