Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Study to Evaluate the Clinical and Microbial Efficacy of Besifloxacin Ophthalmic Suspension, 0.6% BID Compared to Vehicle in the Treatment of Bacterial Conjunctivitis.
Brief Summary: This study is being conducted to evaluate the clinical and microbial efficacy of besifloxacin ophthalmic suspension compared with vehicle in the treatment of bacterial conjunctivitis. This study was conducted as a phase IIb study and continued with further enrollment as a phase III study.


Options:
A: Inclusion Criteria:

* Male or female subject, of any race, who is at least 1 year of age.
* Subjects must have a clinical diagnosis of acute bacterial conjunctivitis and exhibit mucopurulent or purulent conjunctival discharge (crusty or sticky eyelids, globular and yellow discharge) and redness in at least one eye.
* The symptoms of bacterial conjunctivitis must be present for 3 days (approximately 72 hours) or less.
* Must be willing to discontinue contact lens wear for the duration of the study.

Exclusion Criteria:

* Any uncontrolled, systemic, debilitating disease.
* Use of topical ophthalmic solutions including tear substitutes within 2 hours before and during the study.
* Use of any topical ophthalmic anti-inflammatory agents within 48 hours before and during the study.
* Any active upper respiratory tract infection.
* Pregnant or nursing females.
* Use of any antibiotic (topical or systemic) within 72 hours of enrollment
B: Inclusion Criteria:

* Diagnosed with bacterial conjunctivitis in 1 or both eyes;
* Able to understand and sign an informed consent form. If subject is \<18 years of age, the informed consent must be understood and signed by the subject's legally authorized representative;
* Agrees to comply with the visit schedule and other requirements of the study;
* Other protocol-specified inclusion criteria may apply.

Exclusion Criteria:

* Signs and symptoms of bacterial conjunctivitis for longer than 4 days prior to Day 1;
* Presence of concomitant viral infection;
* Infants with ophthalmia neonatorum of gonococcal, Chlamydia, herpetic or chemical origin;
* Infants whose birth mothers had any sexually transmitted disease within 1 month prior to delivery;
* Infants undergoing treatment for retinopathy of prematurity;
* Contact lens wear during the course of the study;
* Only 1 sighted eye or vision in either eye not correctable to 0.6 logMAR units (20/80) or better;
* Use of medications, as specified in the protocol;
* Any systemic or ocular disease or disorder, complicating factors or structural abnormality that could negatively affect the conduct or outcome of the study;
* Known or suspected allergy or hypersensitivity to fluoroquinolones;
* Pregnant, lactating, or of childbearing potential and not using adequate birth control to prevent pregnancy;
* Other protocol-specified exclusion criteria may apply.
C: Inclusion Criteria:

* Must have a diagnosis of acute bacterial conjunctivitis and exhibit purulent conjunctival discharge and redness in at least one eye.
* Females of childbearing potential must utilized reliable contraceptive methods and have a negative pregnancy test.

Exclusion Criteria:

* Pregnant or nursing females.
* Known hypersensitivity to fluoroquinolones or to any of the study ingredients.
* Use of any antibiotic within 72 hours of treatment.
* Any disease or condition that could interfere with the safety and efficacy evaluations of the study medications.
* Participation in an ophthalmic drug or device research study within 30 days prior to entry into the study.
D: Inclusion Criteria:

* Subjects who are at least one year of age.
* Subjects who have a clinical diagnosis of acute bacterial conjunctivitis.
* Subjects who are willing to discontinue contact lens wear for the duration of the study.

Exclusion Criteria:

* Subjects who have any uncontrolled systemic disease or debilitating disease.
* Subjects with known sensitivity or contraindications to besifloxacin, fluoroquinolones or any ingredients in study drugs.
* Subjects who are expected to require treatment with any disallowed medications.

Answer: D