Table:
Conjunctivitis
Other names	Pink eye

An eye with viral conjunctivitis
Specialty	Ophthalmology
Symptoms	Reddish eye, scratchiness[1]
Duration	Viral conjunctivitis: up to two weeks[2]
Causes	Viral, bacterial, allergies[3]
Diagnostic method	Based on symptoms, microbial culture[1]
Prevention	Handwashing[1]
Treatment	Based on underlying cause[3]
Frequency	3–6 million per year (US)[1][3]

Reconstruct the table in the presented picture as an HTML-style table in text.

<table border="1" cellspacing="0"> 
<tr> <th colspan="2"> Conjunctivitis </th> </tr> 
<tr> <th> Other names </th> <td> Pink eye </td> </tr> 
<tr> 
<tr> <th> Specialty </th> <td> Ophthalmology </td> </tr> 
<tr> <th> Symptoms </th> <td> Reddish eye, scratchiness </td> </tr> 
<tr> <th> Duration </th> <td> Viral conjunctivitis: up to two weeks </td> </tr> 
<tr> <th> Causes </th> <td> Viral, bacterial, allergies </td> </tr> 
<tr> <th> Diagnostic method </th> <td> Based on symptoms, microbial culture </td> </tr> 
<tr> <th> Prevention </th> <td> Handwashing </td> </tr> 
<tr> <th> Treatment </th> <td> Based on underlying cause </td> </tr> 
<tr> <th> Frequency </th> <td> 3–6 million per year (US) </td> </tr> </tr>
</table>