Final answer:
Insulin pens are beneficial for clients with poor vision due to features like tactile markings and audible clicks for dosing, and their ease of use helps manage blood glucose levels effectively. Human insulin and its easy availability have improved diabetes management significantly.
Step-by-step explanation:
The feature of the insulin pen that makes it beneficial for a client with diabetes who has poor vision is its ease of use. Insulin pens often come with features such as dosing dials with large, tactile markings, and some may offer audible clicks when the dose is set, which can be helpful for those with visual impairments. These attributes allow for more accurate dosing without the need to see small syringe markings. Insulin pens also have a finer, shorter needle which can make injections less painful and easier to handle. This is especially beneficial for diabetic patients who need to self-administer insulin regularly to manage their blood glucose levels. The convenience of insulin pens over traditional vials and syringes significantly improves the self-management of diabetes for individuals with poor vision.
Modern technology has allowed for the development of human insulin which is now widely available and can be purchased through a pharmacist. This availability is a benefit over previous forms of insulin that were less effective or that required more complex storage. Insulin injections primarily work by enabling the transport and storage of glucose to decrease blood glucose levels after a high-glucose meal to maintain a healthy balance in the blood.
In the case of insulin non-responsive diabetes mellitus, patients may experience minimal decrease in blood glucose levels upon insulin injection, potentially due to excessive insulin antagonists or defective insulin receptors. It's important for healthcare providers to assess individual needs and adjust treatment plans to achieve better glucose control and prevent complications, such as damage to the eyes and other tissues over time.