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The ABCs of Plastic Eye Dropper Bottle: Your Quick Guide

1. What is a plastic eye dropper

Plastic eye drop bottle packaging is a common form of pharmaceutical packaging, also known as a “squeeze eye drop bottle.” It is designed to contain eye drops, medications, or other ocular pharmaceuticals. This packaging typically employs plastic materials such as LDPE or PP, which are widely recognized as safe and hygienic materials for pharmaceutical packaging. The LDPE plastic eye drop bottle offers excellent sealing properties, effectively preventing leakage, oxidation, and contamination, thus ensuring the quality and safety of the medication.
Equipped with a dropper or nozzle, this packaging allows precise medication administration into the patient’s eyes, facilitating ease of use. Some bottle caps are also designed with childproof caps or seals, enhancing safety for children and preventing accidental ingestion or misuse. In terms of physical characteristics, plastic eye drop bottles are usually transparent or semi-transparent, enabling users to visually inspect the bottle’s contents, confirming the medication’s type and dosage.
Moreover, plastic eye drop bottles are lightweight compared to glass bottles, making them convenient for carrying and transportation. Plastic eye drop bottles have extensive applications in the medical and healthcare industries, encompassing eye treatments, eye drops, ocular solutions, eye creams, and more. Their convenient, safe, and reliable features provide patients with an accessible way of administering medication, ensuring the quality of ocular pharmaceuticals and improving medication accuracy.
In the modern pharmaceutical realm, plastic eye drop bottle packaging is crucial in offering effective solutions for ocular health and treatment.

bp eye cap various colors

2. What are plastic eye dropper bottles made of

  1. Bottle Body: The main material used for the plastic medical eye drop bottle’s body is LDPE (Low-Density Polyethylene). LDPE is a flexible and durable plastic, making it highly suitable for manufacturing squeeze-type eye drop bottles.
  2. Cap: The cap of the plastic eye drop bottle is typically made from HDPE material, which possesses excellent sealing performance and chemical resistance. Some caps are designed with childproof features, enhancing the safety of the medication in a household setting and preventing accidental ingestion or misuse.
  3. Dropper Nozzle: The dropper nozzle is a crucial component of the plastic eye drop bottle, responsible for precise dispensing of the medication. Generally made from plastic materials, the nozzle is often composed of LDPE (Polyethylene) or plastic silicone, providing a soft and durable structure that ensures the smooth flow of the medication without causing secondary contamination.

3. Exploring the structure of eye drop bottles

bp plastic eye dropper bottles structure

4. Empty plastic eye drop bottle sizes: What you need to know

Plastic eye drop bottles come in various capacities, offering a range of options to meet different pharmaceutical needs and purposes. Generally, the common capacities for plastic eye drop bottles include 2 milliliters (ml), 5 milliliters (ml), 10 milliliters (ml), and 15 milliliters (ml), among others. These capacity options cater to diverse medication dosages, accommodating both small doses of eye drops and larger volumes of eye medications.

The small 2ml capacity is suitable for single-use doses in eye treatments, ensuring portability and ease of application. The medium-sized 5ml and 10ml capacities are ideal for more extended periods of eye treatment, such as prolonged use of eye drops. The larger 15ml capacity is suitable for long-term eye medication needs and is commonly used for packaging eye creams and solutions.

LaiyangPackaging offers empty plastic eye drop bottles in three different sizes, as listed below:

Item No.SizeMaterialHeightDiameter
squeeze eye dropper bottle


squeeze eye dropper bottle


squeeze eye dropper bottle


5. The applications of plastic eye dropper bottles

As an essential pharmaceutical packaging form, eye drop bottles find wide-ranging applications in the medical and healthcare fields. They are primarily used to contain eye drops and other liquid medications, providing a convenient, accurate, and safe means of administering eye treatments and care.

In the Pharmaceutical realm, eye drop bottles are extensively utilized to treat various eye conditions and symptoms, including dry eyes, conjunctivitis, and blepharitis, among others. Eye drops are precisely dispensed into the patient’s eyes through the dropper or nozzle of the eye drop bottle, ensuring accurate delivery of medication and enhancing treatment effectiveness.

In the realm of healthcare, eye drop bottles are also commonly used for packaging eye care products such as eye solutions and eye creams. These products are enriched with nutrients and moisturizing agents, contributing to eye health, relieving eye fatigue, and alleviating dryness.

The advantages of eye drop bottles lie in their precise dispensing of medication, preventing overuse and wastage while effectively maintaining the freshness and hygiene of the medication. The design of childproof caps also enhances the safety of home medication use.

5. How to use plastic eye dropper?

6. How many eye drops in 5/10/15 ml bottle?

Generally, a 5ml plastic eye drop bottle contains approximately 100 to 150 drops of eye medication. However, it is essential to note that the size of each eye drop may vary based on the design of the bottle’s dropper or nozzle and the viscosity of the eye medication. Different medications or solutions may have slightly different drop sizes. To ensure accurate administration, always follow the instructions provided by healthcare professionals or the guidelines on the medication packaging.

7. How to sterilize plastic eye drop bottle?

The sterilization of plastic eye drop bottles is an important step to ensure the safety and hygiene of the eye medication during use. Common methods for sterilizing plastic eye drop bottles include Ethylene Oxide (ETO) sterilization and Gamma irradiation.

Ethylene Oxide (ETO) Sterilization: Ethylene Oxide is a commonly used sterilization method, suitable for efficient sterilization of plastic eye drop bottles. During the ETO sterilization process, the plastic bottles are placed inside a sealed sterilization chamber and exposed to ethylene oxide gas for a specific duration. Ethylene oxide gas can penetrate the surface and interior of the plastic bottles, killing microorganisms and achieving effective sterilization.

Gamma Irradiation Sterilization: Gamma irradiation is a high-energy radiation that can also be used for sterilizing plastic eye drop bottles. During the gamma irradiation sterilization process, the plastic bottles are exposed to radiation from a radiation source, effectively killing microorganisms inside the bottles. Gamma irradiation has high penetration ability, allowing it to eliminate various microorganisms inside the bottles, ensuring the purity and safety of the eye medication.

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