Skip to main content


Generic name: ranibizumab (ophthalmic)
Dosage form: intravitreal injection
Drug class: Anti-angiogenic ophthalmic agents

Medically reviewed by Melisa Puckey, BPharm. Last updated on Oct 27, 2023.

What is Byooviz?

Byoovizis a prescription eye injection is used to treat types of macular degeneration, macular edema and myopic choroidal neovascularization. Byooviz is vascular endothelial growth factor (VEGF) inhibitor that works by keeping new blood vessels from forming under the retina (a sensory membrane that lines the inside of the eye). Byooviz (ranibizumab-nuna) is from the class of medicines called anti-angiogenic ophthalmic medications.

Byooviz is an injection delivered into the vitreous humor of the eye (intravitreal) and is usually given once a month.

Byooviz is an interchangeable biosimilar to Lucentis (ranibizumab injection) that was originally approved by the FDA on September 20, 2021, and became an interchangeable medicine on October 3, 2023.

Byooviz is FDA approved to treat: 

Byooviz side effects

Common Byooviz side effects may include:

Byooviz may cause serious side effects. 

Get emergency medical help if you have signs of an allergic reaction to Byooviz including hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


Call your doctor at once if you have sudden vision problems, eye pain or redness, or if your eyes are more sensitive to light.

The timing of your monthly injections is very important for this medication to be effective.

Before taking this medicine

You should not receive Byooviz if you are allergic to ranibizumab or if you have any type of infection in or around your eyes.
To make sure this medicine is safe for you, tell your doctor if you have ever had:


It is not known Byooviz will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.


It is not known whether Byooviz passes into breast milk or if it could affect the nursing baby. Tell your doctor if you are breast-feeding.

How is Byooviz given?

Byooviz is given as an injection into your eye.

Your doctor will use a medicine to numb your eye before giving you the injection.

You will receive this injection in your doctor's office or other clinic setting.

For a short time after your injection, your eyes will be checked periodically to make sure the injection has not caused any side effects.

Byooviz is usually given once every month.

Length of treatment and dosing schedules depend on the condition being treated.

Follow your doctor's dosing instructions very carefully. The timing of your monthly injections is very important for this medication to be effective.

To be sure Byooviz is helping your condition and is not causing harmful effects, your eyes will need to be checked on a regular basis. Do not miss any follow-up visits to your doctor.

Dosing information

Usual Byooviz dosing information

Neovascular (Wet) Age-Related Macular Degeneration (AMD): 0.5 mg by intravitreal injection once a month (approximately 28 days).

Macular Edema Following Retinal Vein Occlusion (RVO): 0.5 mg by intravitreal injection once a month (approximately 28 days).

Myopic Choroidal Neovascularization (mCNV): 0.5 mg by intravitreal injection initially once a month (approximately 28 days) for up to 3 months. Patients may be retreated if needed.

What happens if I miss a dose?

Call your doctor for instructions if you miss an appointment to receive your ranibizumab injection.

What happens if I overdose?

Since this medicine is given by a healthcare professional in a medical setting, an overdose is unlikely to occur.

What other drugs will affect Byooviz?

Other drugs may interact with ranibizumab, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

What should I avoid while receiving Byooviz?

This medication may cause blurred vision. Be careful if you drive or do anything that requires you to be able to see clearly.


What are the ingredients in Byooviz?

Active ingredient: ranibizumab-nuna

Inactive ingredients: histidine monohydrochloride, histadine, trehalose dihydrate, polysorbate 20, water. 


Manufactured by:

Samsung Bioepis Co., Ltd., 76, Songdogyoyuk-ro, Yeonsu-gu, Incheon, 21987, Republic of Korea.  

Manufactured for:

Biogen Inc., 225 Binney Street, Cambridge, MA, 02142.

Popular FAQ

A biosimilar is a biological product that is similar to a reference biologic (usually the originally approved product) and for which there are no clinically meaningful differences in terms of safety, purity, and potency. One example is Amjevita (adalimumab-atto), the first biosimilar approved for Humira (adalimumab) on September 23, 2016. Continue reading

More FAQ

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.